diff --git a/hibernate-core/src/main/java/org/hibernate/engine/internal/Collections.java b/hibernate-core/src/main/java/org/hibernate/engine/internal/Collections.java
index fec7aea00a8b..1153f9d1f3f1 100644
--- a/hibernate-core/src/main/java/org/hibernate/engine/internal/Collections.java
+++ b/hibernate-core/src/main/java/org/hibernate/engine/internal/Collections.java
@@ -167,10 +167,12 @@ public static void processReachableCollection(
 		final boolean isBytecodeEnhanced = persister.getOwnerEntityPersister().getInstrumentationMetadata().isEnhancedForLazyLoading();
 		if ( isBytecodeEnhanced && !collection.wasInitialized() ) {
 			// skip it
-			LOG.debugf(
-					"Skipping uninitialized bytecode-lazy collection: %s",
-					MessageHelper.collectionInfoString( persister, collection, ce.getCurrentKey(), session )
-			);
+			if ( LOG.isDebugEnabled() ) {
+				LOG.debugf(
+						"Skipping uninitialized bytecode-lazy collection: %s",
+						MessageHelper.collectionInfoString(persister, collection, ce.getCurrentKey(), session)
+				);
+			}
 			ce.setReached( true );
 			ce.setProcessed( true );
 		}