diff --git a/svl/source/undo/undo.cxx b/svl/source/undo/undo.cxx
index 7802985e6e1e..5cccb085d65f 100644
--- a/svl/source/undo/undo.cxx
+++ b/svl/source/undo/undo.cxx
@@ -871,6 +871,7 @@ bool SfxUndoManager::Repeat( SfxRepeatTarget &rTarget )
         aGuard.clear();
         if ( pAction->CanRepeat( rTarget ) )
             pAction->Repeat( rTarget );
+        aGuard.reset(); // allow clearing in guard dtor
         return true;
     }