diff --git a/kmail/kmreaderwin.cpp b/kmail/kmreaderwin.cpp
--- a/kmail/kmreaderwin.cpp
+++ b/kmail/kmreaderwin.cpp
@@ -747,7 +747,7 @@
 {
     if ( !item.isValid() )
         return;
-    KMTrashMsgCommand *command = new KMTrashMsgCommand( item.parentCollection(), item, -1 );
+    KMTrashMsgCommand *command = new KMTrashMsgCommand( MailCommon::Util::parentCollectionFromItem(item), item, -1 );
     command->start();
 }