1 files changed, 9 insertions, 0 deletions
diff --git a/sfx2/source/dialog/alienwarn.cxx b/sfx2/source/dialog/alienwarn.cxx
index 09f59c14de94..7421173023f0 100644
--- a/sfx2/source/dialog/alienwarn.cxx
+++ b/sfx2/source/dialog/alienwarn.cxx
@@ -68,11 +68,20 @@ SfxAlienWarningDialog::SfxAlienWarningDialog(vcl::Window* pParent, const OUStrin
 
 SfxAlienWarningDialog::~SfxAlienWarningDialog()
 {
+    disposeOnce();
+}
+
+void SfxAlienWarningDialog::dispose()
+{
     // save value of "warning off" checkbox, if necessary
     SvtSaveOptions aSaveOpt;
     bool bChecked = m_pWarningOnBox->IsChecked();
     if ( aSaveOpt.IsWarnAlienFormat() != bChecked )
         aSaveOpt.SetWarnAlienFormat( bChecked );
+    m_pKeepCurrentBtn.clear();
+    m_pUseDefaultFormatBtn.clear();
+    m_pWarningOnBox.clear();
+    MessageDialog::dispose();
 }
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */