diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/DetailPane.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/DetailPane.java
index d1ecb4cd11..0eb12369fd 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/DetailPane.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/DetailPane.java
@@ -434,6 +434,7 @@ public class DetailPane extends Panel implements EventListener<Event>, IdSpace {
 
 		
 		msgPopup = new Window();
+		msgPopup.setVisible(false);
 		msgPopup.setBorder(true);
 		msgPopup.setClosable(true);
 		msgPopup.setSizable(true);