diff --git a/keras/src/legacy/saving/serialization.py b/keras/src/legacy/saving/serialization.py
index 8474363895f2..dfca1d2567a7 100644
--- a/keras/src/legacy/saving/serialization.py
+++ b/keras/src/legacy/saving/serialization.py
@@ -35,7 +35,7 @@
 # default values.
 def _shared_object_disabled():
     """Get whether shared object handling is disabled in a threadsafe manner."""
-    return getattr(SHARED_OBJECT_DISABLED, "disabled", False)
+    return SHARED_OBJECT_DISABLED.__dict__.get("disabled", False)
 
 
 def _shared_object_loading_scope():