diff --git a/hibernate-core/src/main/java/org/hibernate/event/internal/DefaultFlushEntityEventListener.java b/hibernate-core/src/main/java/org/hibernate/event/internal/DefaultFlushEntityEventListener.java
index 27014ebd1c..01e7faf534 100755
--- a/hibernate-core/src/main/java/org/hibernate/event/internal/DefaultFlushEntityEventListener.java
+++ b/hibernate-core/src/main/java/org/hibernate/event/internal/DefaultFlushEntityEventListener.java
@@ -647,7 +647,7 @@ public class DefaultFlushEntityEventListener implements FlushEntityEventListener
 			LOG.tracev(
 					"Found dirty properties [{0}] : {1}",
 					MessageHelper.infoString( persister.getEntityName(), id ),
-					dirtyPropertyNames
+					Arrays.toString( dirtyPropertyNames )
 			);
 		}
 	}