diff --git a/src/SMESH_I/SMESH_DumpPython.cxx b/src/SMESH_I/SMESH_DumpPython.cxx
index 33ca4c7ba..b609c5750 100644
--- a/src/SMESH_I/SMESH_DumpPython.cxx
+++ b/src/SMESH_I/SMESH_DumpPython.cxx
@@ -631,7 +631,7 @@ Engines::TMPFile* SMESH_Gen_i::DumpPython (CORBA::Object_ptr theStudy,
   SALOMEDS::AttributePythonObject_var pyAttr =
     SALOMEDS::AttributePythonObject::_narrow(anAttr);
   CORBA::String_var oldValue = pyAttr->GetObject();
-  TCollection_AsciiString aSavedTrace (oldValue.out());
+  TCollection_AsciiString aSavedTrace (oldValue.in());
 
   // Add trace of API methods calls and replace study entries by names
   TCollection_AsciiString aScript;