diff --git a/source/java/org/alfresco/repo/lock/LockServiceImpl.java b/source/java/org/alfresco/repo/lock/LockServiceImpl.java
index 70afcd2e6e..ad9c42b0ab 100644
--- a/source/java/org/alfresco/repo/lock/LockServiceImpl.java
+++ b/source/java/org/alfresco/repo/lock/LockServiceImpl.java
@@ -465,7 +465,7 @@ public class LockServiceImpl implements LockService,
     public void lock(NodeRef nodeRef, LockType lockType, int timeToExpire, boolean lockChildren)
             throws UnableToAquireLockException
     {
-        lock(nodeRef, lockType, timeToExpire, lockChildren);
+        lock(nodeRef, lockType, timeToExpire, Lifetime.PERSISTENT, lockChildren);
     }
 
     /**