diff --git a/src/GEOM/GEOM_Object.cxx b/src/GEOM/GEOM_Object.cxx
index 0fbfacbc7..3084f8e09 100644
--- a/src/GEOM/GEOM_Object.cxx
+++ b/src/GEOM/GEOM_Object.cxx
@@ -220,7 +220,7 @@ void GEOM_Object::SetAuxData(const char* theData)
  *  GetAuxData
  */
 //=============================================================================
-char* GEOM_Object::GetAuxData()
+TCollection_AsciiString GEOM_Object::GetAuxData()
 {
   Handle(TDataStd_Comment) aCommentAttr;
   if(!_label.FindAttribute(TDataStd_Comment::GetID(), aCommentAttr)) return NULL;
diff --git a/src/GEOM/GEOM_Object.hxx b/src/GEOM/GEOM_Object.hxx
index 0d1571d71..3f90453d9 100644
--- a/src/GEOM/GEOM_Object.hxx
+++ b/src/GEOM/GEOM_Object.hxx
@@ -178,7 +178,7 @@ class GEOM_Object : public MMgt_TShared
   void SetAuxData(const char* theData);
 
   //Returns an auxiliary data
-  char* GetAuxData();
+  TCollection_AsciiString GetAuxData();
 
   //###########################################################  
   // Sub shape methods