diff --git a/sw/inc/doc.hxx b/sw/inc/doc.hxx
index dff338529a91..8d6ea4db9c0e 100644
--- a/sw/inc/doc.hxx
+++ b/sw/inc/doc.hxx
@@ -1527,7 +1527,7 @@ public:
     OUString GetUniqueNumRuleName( const OUString* pChkStr = 0, bool bAutoNum = true ) const;
 
     void UpdateNumRule();   /// Update all invalids.
-    void ChgNumRuleFmts( const SwNumRule& rRule, const String * pOldName = 0 );
+    void ChgNumRuleFmts( const SwNumRule& rRule );
     bool ReplaceNumRule( const SwPosition& rPos, const String& rOldRule,
                         const String& rNewRule );
 
diff --git a/sw/source/core/doc/docnum.cxx b/sw/source/core/doc/docnum.cxx
index 2a3105fa70dd..52f3b1d4fc95 100644
--- a/sw/source/core/doc/docnum.cxx
+++ b/sw/source/core/doc/docnum.cxx
@@ -1061,9 +1061,9 @@ bool SwDoc::DelNumRule( const String& rName, bool bBroadcast )
     return false;
 }
 
-void SwDoc::ChgNumRuleFmts( const SwNumRule& rRule, const String * pName )
+void SwDoc::ChgNumRuleFmts( const SwNumRule& rRule )
 {
-    SwNumRule* pRule = FindNumRulePtr( pName ? *pName : String(rRule.GetName()) );
+    SwNumRule* pRule = FindNumRulePtr( rRule.GetName() );
     if( pRule )
     {
         SwUndoInsNum* pUndo = 0;