diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/CompositeADTabbox.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/CompositeADTabbox.java
index 742651e745..0ab772fb23 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/CompositeADTabbox.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/CompositeADTabbox.java
@@ -540,7 +540,10 @@ public class CompositeADTabbox extends AbstractADTabbox
         		}
         		detailTab.activate(true);
         		detailTab.setDetailPaneMode(true, isUseVflexForDetailPane());
-        		detailPane.setVflex(Boolean.toString(isUseVflexForDetailPane()));        		        		
+        		detailPane.setVflex(Boolean.toString(isUseVflexForDetailPane()));    
+        		if (!ADTabpanel.isUseSplitViewForForm()) {
+        			detailPane.invalidate();
+        		}
 			}
 		}