diff --git a/formula/source/ui/dlg/funcpage.cxx b/formula/source/ui/dlg/funcpage.cxx
index 7094994f1049..ef38e18b2bce 100644
--- a/formula/source/ui/dlg/funcpage.cxx
+++ b/formula/source/ui/dlg/funcpage.cxx
@@ -223,7 +223,7 @@ sal_uInt16 FuncPage::GetFunctionEntryCount()
     return aLbFunction.GetSelectEntryCount();
 }
 
-String FuncPage::GetSelFunctionName() const
+OUString FuncPage::GetSelFunctionName() const
 {
     return aLbFunction.GetSelectEntry();
 }
diff --git a/formula/source/ui/dlg/funcpage.hxx b/formula/source/ui/dlg/funcpage.hxx
index 6a4a36ae8a5f..056c4a5a4399 100644
--- a/formula/source/ui/dlg/funcpage.hxx
+++ b/formula/source/ui/dlg/funcpage.hxx
@@ -98,7 +98,7 @@ public:
 
     sal_uInt16          GetFuncPos(const IFunctionDescription* _pDesc);
     const IFunctionDescription* GetFuncDesc( sal_uInt16 nPos ) const;
-    String          GetSelFunctionName() const;
+    OUString        GetSelFunctionName() const;
 
     void            SetDoubleClickHdl( const Link& rLink ) { aDoubleClickLink = rLink; }
     const Link&     GetDoubleClickHdl() const { return aDoubleClickLink; }