diff --git a/kmail/kmreaderwin.cpp b/kmail/kmreaderwin.cpp
index 6c5acd10..b3c43570 100644
--- a/kmail/kmreaderwin.cpp
+++ b/kmail/kmreaderwin.cpp
@@ -780,6 +780,9 @@ void KMReaderWin::slotCycleAttachmentStrategy() {
 //-----------------------------------------------------------------------------
 KMReaderWin::~KMReaderWin()
 {
+  if (message()) {
+    message()->detach( this );
+  }
   clearBodyPartMementos();
   delete mHtmlWriter; mHtmlWriter = 0;
   delete mCSSHelper;