diff --git a/server/src/com/cloud/vm/UserVmManagerImpl.java b/server/src/com/cloud/vm/UserVmManagerImpl.java
index 116acf1b741..8f1c70f0ff3 100755
--- a/server/src/com/cloud/vm/UserVmManagerImpl.java
+++ b/server/src/com/cloud/vm/UserVmManagerImpl.java
@@ -1511,11 +1511,11 @@ public class UserVmManagerImpl implements UserVmManager, UserVmService, VirtualM
                 );
             userVm.setGuestMacAddress(vmMacAddress);
         	_vmDao.update(userVm.getId(), userVm);
+        	txn.commit();
         	if (routerLock) {
         		_routerDao.release(routerId);
         		routerLock = false;
         	}
-        	txn.commit();
         	return ipAddressStr;
         }finally {
         	if (routerLock) {