diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/window/WPAttributeDialog.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/window/WPAttributeDialog.java
index 0527c39010..50d04587b3 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/window/WPAttributeDialog.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/window/WPAttributeDialog.java
@@ -213,8 +213,8 @@ public class WPAttributeDialog extends Window implements EventListener<Event>
 		Center center = new Center();
 		center.setSclass("dialog-content");
 		center.setParent(mainLayout);
-		centerPanel.setVflex("1");
-		centerPanel.setHflex("1");
+		centerPanel.setVflex("min");
+		centerPanel.setHflex("min");
 		center.appendChild(centerPanel);
 
 		South south = new South();