diff --git a/sc/source/ui/app/scmod.cxx b/sc/source/ui/app/scmod.cxx
index 3a9ff2f50946..2dd115894d5f 100644
--- a/sc/source/ui/app/scmod.cxx
+++ b/sc/source/ui/app/scmod.cxx
@@ -1068,6 +1068,11 @@ void ScModule::ModifyOptions( const SfxItemSet& rOptSet )
     if (rOptSet.HasItem(SID_SCFORMULAOPTIONS, &pItem))
     {
         const ScFormulaOptions& rOpt = ((const ScTpFormulaItem*)pItem)->GetFormulaOptions();
+
+        if (!pFormulaCfg || (*pFormulaCfg != rOpt))
+            // Formula options have changed. Repaint the column headers.
+            bRepaint = true;
+
         SetFormulaOptions( rOpt );
 
         if ( pDocSh )