diff --git a/src/antidote/org/apache/tools/ant/gui/modules/edit/PropertyEditor.java b/src/antidote/org/apache/tools/ant/gui/modules/edit/PropertyEditor.java
index 0afab4834..5bba64fd7 100644
--- a/src/antidote/org/apache/tools/ant/gui/modules/edit/PropertyEditor.java
+++ b/src/antidote/org/apache/tools/ant/gui/modules/edit/PropertyEditor.java
@@ -130,6 +130,7 @@ public class PropertyEditor extends AntModule {
             }
         }
 
+        _container.validate();
         _container.repaint();
     }