Index: svl/source/undo/undo.cxx
===================================================================
--- svl/source/undo/undo.cxx	(revision 1342285)
+++ svl/source/undo/undo.cxx	(working copy)
@@ -627,7 +627,7 @@
     // merge, if required
 	SfxUndoAction* pMergeWithAction = m_pData->pActUndoArray->nCurUndoAction ?
 		m_pData->pActUndoArray->aUndoActions[m_pData->pActUndoArray->nCurUndoAction-1].pAction : NULL;
-	if ( bTryMerge && ( !pMergeWithAction || !pMergeWithAction->Merge( pAction ) ) )
+	if ( bTryMerge && ( pMergeWithAction && pMergeWithAction->Merge( pAction ) ) )
     {
         i_guard.markForDeletion( pAction );
         return false;