diff --git a/src-gwt/org/opencms/ade/containerpage/client/ui/CmsContainerPageContainer.java b/src-gwt/org/opencms/ade/containerpage/client/ui/CmsContainerPageContainer.java
index <HASH>..<HASH> 100644
--- a/src-gwt/org/opencms/ade/containerpage/client/ui/CmsContainerPageContainer.java
+++ b/src-gwt/org/opencms/ade/containerpage/client/ui/CmsContainerPageContainer.java
@@ -322,7 +322,9 @@ public class CmsContainerPageContainer extends ComplexPanel implements I_CmsDrop
      */
     public void refreshHighlighting() {
 
-        m_highlighting.setPosition(CmsPositionBean.getInnerDimensions(getElement()));
+        if (m_highlighting != null) {
+            m_highlighting.setPosition(CmsPositionBean.getInnerDimensions(getElement()));
+        }
     }
 
     /**
Fixing null pointer issue.