1 files changed, 6 insertions, 0 deletions
diff --git a/svx/source/form/navigatortree.cxx b/svx/source/form/navigatortree.cxx
index 4bbda320c8e7..b82b82bb1288 100644
--- a/svx/source/form/navigatortree.cxx
+++ b/svx/source/form/navigatortree.cxx
@@ -162,6 +162,11 @@ namespace svxform
 
     NavigatorTree::~NavigatorTree()
     {
+        disposeOnce();
+    }
+
+    void NavigatorTree::dispose()
+    {
         if( nEditEvent )
             Application::RemoveUserEvent( nEditEvent );
 
@@ -172,6 +177,7 @@ namespace svxform
         EndListening( *m_pNavModel );
         Clear();
         delete m_pNavModel;
+        SvTreeListBox::dispose();
     }