diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WTimeEditor.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WTimeEditor.java
index 1c800f6c0c..a731f09c47 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WTimeEditor.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/editor/WTimeEditor.java
@@ -43,7 +43,7 @@ public class WTimeEditor extends WEditor implements ContextMenuListener
         logger = CLogger.getCLogger(WDateEditor.class);
     }
 
-    private Timestamp oldValue = new Timestamp(0);
+    private Timestamp oldValue = null;
 
     /**
     *