diff --git a/pkg/standalone/run.go b/pkg/standalone/run.go
index 078a3543c..3d73bd129 100644
--- a/pkg/standalone/run.go
+++ b/pkg/standalone/run.go
@@ -144,6 +144,11 @@ func (config *RunConfig) validatePlacementHostAddr() error {
 		config.PlacementHostAddr = &empty
 		return nil
 	}
+
+	if strings.TrimSpace(placementHostAddr) == "" {
+		return nil
+	}
+
 	if indx := strings.Index(placementHostAddr, ":"); indx == -1 {
 		if runtime.GOOS == daprWindowsOS {
 			placementHostAddr += ":6050"
@@ -166,6 +171,7 @@ func (config *RunConfig) validateSchedulerHostAddr() error {
 		config.SchedulerHostAddress = &empty
 		return nil
 	}
+  
 	if indx := strings.Index(schedulerHostAddr, ":"); indx == -1 {
 		if runtime.GOOS == daprWindowsOS {
 			schedulerHostAddr += ":6060"