diff --git a/src/GEOM/GEOM_Engine.cxx b/src/GEOM/GEOM_Engine.cxx
index 368323d22..bad944c95 100644
--- a/src/GEOM/GEOM_Engine.cxx
+++ b/src/GEOM/GEOM_Engine.cxx
@@ -745,7 +745,7 @@ TCollection_AsciiString GEOM_Engine::DumpPython(int theDocID,
       globalVars += ", ";
     globalVars += data->_pyName;
   }
-  if ( !globalVars.IsEmpty() ) {
+  if ( isMultiFile && !globalVars.IsEmpty() ) {
     globalVars.Insert( 1, "\n\tglobal " );
     aScript.Insert( posToInsertGlobalVars, globalVars );
   }