diff --git a/DESCRIPTION b/DESCRIPTION
index 8854b7c99..1b712b33e 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -63,6 +63,7 @@ Collate:
     'NO_OP.R'
     'PipeOpTaskPreproc.R'
     'PipeOpApply.R'
+    'PipeOpBackupLearner.R'
     'PipeOpBalanceSample.R'
     'PipeOpBranch.R'
     'PipeOpChunk.R'
diff --git a/NAMESPACE b/NAMESPACE
index 2179c6a0d..54b465294 100644
--- a/NAMESPACE
+++ b/NAMESPACE
@@ -16,6 +16,7 @@ export(LearnerRegrWeightedAverage)
 export(NO_OP)
 export(PipeOp)
 export(PipeOpApply)
+export(PipeOpBackupLearner)
 export(PipeOpBalanceSample)
 export(PipeOpBranch)
 export(PipeOpChunk)
diff --git a/attic/PipeOpBackupLearner.R b/R/PipeOpBackupLearner.R
similarity index 98%
rename from attic/PipeOpBackupLearner.R
rename to R/PipeOpBackupLearner.R
index daeae642d..053cad690 100644
--- a/attic/PipeOpBackupLearner.R
+++ b/R/PipeOpBackupLearner.R
@@ -85,4 +85,4 @@ PipeOpBackupLearner = R6Class("PipeOpBackupLearner", inherit = PipeOp,
   )
 )
 
-register_pipeop("backuplearner", PipeOpBackupLearner)
+mlr_pipeops$add("backuplearner", PipeOpBackupLearner)
diff --git a/man/PipeOp.Rd b/man/PipeOp.Rd
index c07275cec..20cad792a 100644
--- a/man/PipeOp.Rd
+++ b/man/PipeOp.Rd
@@ -129,6 +129,7 @@ Other mlr3pipelines backend related: \code{\link{Graph}},
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/PipeOpEnsemble.Rd b/man/PipeOpEnsemble.Rd
index bf9d0ad15..963bc8508 100644
--- a/man/PipeOpEnsemble.Rd
+++ b/man/PipeOpEnsemble.Rd
@@ -25,6 +25,7 @@ channel is created that can take an arbitrary number of inputs.
 \seealso{
 Other PipeOps: \code{\link{PipeOpTaskPreproc}},
   \code{\link{PipeOp}}, \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/PipeOpTaskPreproc.Rd b/man/PipeOpTaskPreproc.Rd
index 2948b7788..b57ffda5b 100644
--- a/man/PipeOpTaskPreproc.Rd
+++ b/man/PipeOpTaskPreproc.Rd
@@ -101,6 +101,7 @@ Other mlr3pipelines backend related: \code{\link{Graph}},
 
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOp}}, \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/mlr_pipeop_apply.Rd b/man/mlr_pipeop_apply.Rd
index c9793f32d..844f47c39 100644
--- a/man/mlr_pipeop_apply.Rd
+++ b/man/mlr_pipeop_apply.Rd
@@ -30,6 +30,7 @@ performance.
 \seealso{
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/mlr_pipeop_backup_learner.Rd b/man/mlr_pipeop_backup_learner.Rd
new file mode 100644
index 000000000..fe71176b6
--- /dev/null
+++ b/man/mlr_pipeop_backup_learner.Rd
@@ -0,0 +1,65 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/PipeOpBackupLearner.R
+\docType{data}
+\name{mlr_pipeop_backup_learner}
+\alias{mlr_pipeop_backup_learner}
+\alias{PipeOpBackupLearner}
+\title{PipeOpBackupLearner}
+\format{\code{\link{R6Class}} object inheriting from \code{\link{PipeOp}}.}
+\usage{
+PipeOpBackupLearner
+}
+\description{
+Uses an \code{\link[mlr3:Learner]{mlr3::Learner}} to repair predictions done by
+a previous \code{\link{PipeOpLearner}}.
+
+Inherits the \code{$param_set} and \code{$values} from the \code{Learner} it is constructed from.
+}
+\section{Public Members / Active Bindings}{
+
+\itemize{
+\item \code{learner}  :: \code{\link{Learner}} \cr
+Learner to use for backup prediction. Defaults to
+\code{\link[mlr3:mlr_learners_classif.featureless]{classif.featureless}}.
+}
+}
+
+\section{Methods}{
+
+\itemize{
+\item \code{PipeOpLearner$new(learner = mlr_learners$get("classif.featureless", id = "backuplearner", predict_type = "prob"), id = "backuplearner")} \cr
+(\code{\link{Learner}}, \code{character(1)}) -> \code{self} \cr
+Constructor. The given learner will be used for backup prediction.
+}
+}
+
+\seealso{
+Other PipeOps: \code{\link{PipeOpEnsemble}},
+  \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
+  \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_balancesample}},
+  \code{\link{mlr_pipeop_branch}},
+  \code{\link{mlr_pipeop_chunk}},
+  \code{\link{mlr_pipeop_copy}},
+  \code{\link{mlr_pipeop_encode}},
+  \code{\link{mlr_pipeop_featureunion}},
+  \code{\link{mlr_pipeop_filter}},
+  \code{\link{mlr_pipeop_impute}},
+  \code{\link{mlr_pipeop_learner}},
+  \code{\link{mlr_pipeop_majorityvote}},
+  \code{\link{mlr_pipeop_modelavg}},
+  \code{\link{mlr_pipeop_mutate}},
+  \code{\link{mlr_pipeop_nop}},
+  \code{\link{mlr_pipeop_pca}},
+  \code{\link{mlr_pipeop_scale}},
+  \code{\link{mlr_pipeop_select}},
+  \code{\link{mlr_pipeop_subsample}},
+  \code{\link{mlr_pipeop_unbranch}},
+  \code{\link{mlr_pipeops}}
+
+Other Meta PipeOps: \code{\link{mlr_pipeop_learner_cv}},
+  \code{\link{mlr_pipeop_learner}}
+}
+\concept{Meta PipeOps}
+\concept{PipeOps}
+\keyword{datasets}
diff --git a/man/mlr_pipeop_balancesample.Rd b/man/mlr_pipeop_balancesample.Rd
index bb6c9e1df..b863edfeb 100644
--- a/man/mlr_pipeop_balancesample.Rd
+++ b/man/mlr_pipeop_balancesample.Rd
@@ -54,6 +54,7 @@ table(new_task$truth())
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
   \code{\link{mlr_pipeop_copy}},
diff --git a/man/mlr_pipeop_branch.Rd b/man/mlr_pipeop_branch.Rd
index 66b8964c0..dfde5ad85 100644
--- a/man/mlr_pipeop_branch.Rd
+++ b/man/mlr_pipeop_branch.Rd
@@ -61,6 +61,7 @@ PipeOpBranch$new(choices) \%>>\% gunion(list(pca, nop)) \%>>\% PipeOpUnbranch$ne
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_chunk}},
   \code{\link{mlr_pipeop_copy}},
diff --git a/man/mlr_pipeop_chunk.Rd b/man/mlr_pipeop_chunk.Rd
index 878eb43fb..6598376ba 100644
--- a/man/mlr_pipeop_chunk.Rd
+++ b/man/mlr_pipeop_chunk.Rd
@@ -41,6 +41,7 @@ op$train(list(task = task))
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_copy}},
diff --git a/man/mlr_pipeop_copy.Rd b/man/mlr_pipeop_copy.Rd
index f42c58b14..951f32cc9 100644
--- a/man/mlr_pipeop_copy.Rd
+++ b/man/mlr_pipeop_copy.Rd
@@ -27,6 +27,7 @@ copies that will be made.
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/mlr_pipeop_encode.Rd b/man/mlr_pipeop_encode.Rd
index a6cb1f93f..750015e2b 100644
--- a/man/mlr_pipeop_encode.Rd
+++ b/man/mlr_pipeop_encode.Rd
@@ -36,6 +36,7 @@ Use the \code{$affect_columns} functionality to only encode a subset of columns,
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/mlr_pipeop_featureunion.Rd b/man/mlr_pipeop_featureunion.Rd
index d57b7b6e3..71ce6ffbf 100644
--- a/man/mlr_pipeop_featureunion.Rd
+++ b/man/mlr_pipeop_featureunion.Rd
@@ -34,6 +34,7 @@ is the length of \code{innum}, and the resulting columns are prefixed with the v
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/mlr_pipeop_filter.Rd b/man/mlr_pipeop_filter.Rd
index 206f43386..ca735d8a1 100644
--- a/man/mlr_pipeop_filter.Rd
+++ b/man/mlr_pipeop_filter.Rd
@@ -63,6 +63,7 @@ head(po$state$scores, 10)
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/mlr_pipeop_impute.Rd b/man/mlr_pipeop_impute.Rd
index fb142047f..ab8738060 100644
--- a/man/mlr_pipeop_impute.Rd
+++ b/man/mlr_pipeop_impute.Rd
@@ -29,6 +29,7 @@ sum(complete.cases(new_task$data()))
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/mlr_pipeop_learner.Rd b/man/mlr_pipeop_learner.Rd
index 06a9ca2c3..eeee790ca 100644
--- a/man/mlr_pipeop_learner.Rd
+++ b/man/mlr_pipeop_learner.Rd
@@ -34,6 +34,7 @@ Constructor. The given learner will be used for prediction.
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
@@ -53,7 +54,8 @@ Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{mlr_pipeop_unbranch}},
   \code{\link{mlr_pipeops}}
 
-Other Meta PipeOps: \code{\link{mlr_pipeop_learner_cv}}
+Other Meta PipeOps: \code{\link{mlr_pipeop_backup_learner}},
+  \code{\link{mlr_pipeop_learner_cv}}
 }
 \concept{Meta PipeOps}
 \concept{PipeOps}
diff --git a/man/mlr_pipeop_learner_cv.Rd b/man/mlr_pipeop_learner_cv.Rd
index cd570640f..c9941a55f 100644
--- a/man/mlr_pipeop_learner_cv.Rd
+++ b/man/mlr_pipeop_learner_cv.Rd
@@ -52,7 +52,8 @@ The \code{\link{ParamSet}} of \code{$learner} is also made available.
 }
 
 \seealso{
-Other Meta PipeOps: \code{\link{mlr_pipeop_learner}}
+Other Meta PipeOps: \code{\link{mlr_pipeop_backup_learner}},
+  \code{\link{mlr_pipeop_learner}}
 }
 \concept{Meta PipeOps}
 \concept{Pipeops}
diff --git a/man/mlr_pipeop_majorityvote.Rd b/man/mlr_pipeop_majorityvote.Rd
index caf51a3e5..bf7c722a1 100644
--- a/man/mlr_pipeop_majorityvote.Rd
+++ b/man/mlr_pipeop_majorityvote.Rd
@@ -26,6 +26,7 @@ op = PipeOpMajorityVote$new(3)
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/mlr_pipeop_modelavg.Rd b/man/mlr_pipeop_modelavg.Rd
index 59efce6e4..b47841218 100644
--- a/man/mlr_pipeop_modelavg.Rd
+++ b/man/mlr_pipeop_modelavg.Rd
@@ -25,6 +25,7 @@ op = PipeOpModelAvg$new()
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/mlr_pipeop_mutate.Rd b/man/mlr_pipeop_mutate.Rd
index e2c065567..a81aa7483 100644
--- a/man/mlr_pipeop_mutate.Rd
+++ b/man/mlr_pipeop_mutate.Rd
@@ -31,6 +31,7 @@ then features may still be overwritten.
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/mlr_pipeop_nop.Rd b/man/mlr_pipeop_nop.Rd
index 39c6d65ec..af507eff3 100644
--- a/man/mlr_pipeop_nop.Rd
+++ b/man/mlr_pipeop_nop.Rd
@@ -17,6 +17,7 @@ Can be useful during graph construction to keep the original task in conjunction
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/mlr_pipeop_pca.Rd b/man/mlr_pipeop_pca.Rd
index 153eff210..9f06a1a0e 100644
--- a/man/mlr_pipeop_pca.Rd
+++ b/man/mlr_pipeop_pca.Rd
@@ -21,6 +21,7 @@ op1 = PipeOpPCA$new()
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/mlr_pipeop_scale.Rd b/man/mlr_pipeop_scale.Rd
index 09cb588f9..eacae405d 100644
--- a/man/mlr_pipeop_scale.Rd
+++ b/man/mlr_pipeop_scale.Rd
@@ -19,6 +19,7 @@ See \code{\link[base:scale]{base::scale()}} for details and parameters.
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/mlr_pipeop_select.Rd b/man/mlr_pipeop_select.Rd
index 2ad60f183..5f2d60e6b 100644
--- a/man/mlr_pipeop_select.Rd
+++ b/man/mlr_pipeop_select.Rd
@@ -31,6 +31,7 @@ Invert selection. If this is \code{TRUE}, the features selected by
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/mlr_pipeop_subsample.Rd b/man/mlr_pipeop_subsample.Rd
index 32fa4e203..b3562a04b 100644
--- a/man/mlr_pipeop_subsample.Rd
+++ b/man/mlr_pipeop_subsample.Rd
@@ -29,6 +29,7 @@ Sample with replacement? Default is \code{FALSE}.
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/mlr_pipeop_unbranch.Rd b/man/mlr_pipeop_unbranch.Rd
index c83f01b7a..3ef34bc3e 100644
--- a/man/mlr_pipeop_unbranch.Rd
+++ b/man/mlr_pipeop_unbranch.Rd
@@ -42,6 +42,7 @@ PipeOpBranch$new(choices) \%>>\% gunion(list(pca, nop)) \%>>\% PipeOpUnbranch$ne
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/man/mlr_pipeops.Rd b/man/mlr_pipeops.Rd
index 48c54a2dc..c786839e3 100644
--- a/man/mlr_pipeops.Rd
+++ b/man/mlr_pipeops.Rd
@@ -35,6 +35,7 @@ Other mlr3pipelines backend related: \code{\link{Graph}},
 Other PipeOps: \code{\link{PipeOpEnsemble}},
   \code{\link{PipeOpTaskPreproc}}, \code{\link{PipeOp}},
   \code{\link{mlr_pipeop_apply}},
+  \code{\link{mlr_pipeop_backup_learner}},
   \code{\link{mlr_pipeop_balancesample}},
   \code{\link{mlr_pipeop_branch}},
   \code{\link{mlr_pipeop_chunk}},
diff --git a/attic/test_pipeop_backup_learner.R b/tests/testthat/test_pipeop_backup_learner.R
similarity index 100%
rename from attic/test_pipeop_backup_learner.R
rename to tests/testthat/test_pipeop_backup_learner.R