diff --git a/src/SMESH_I/SMESH_PythonDump.hxx b/src/SMESH_I/SMESH_PythonDump.hxx
index 29c544313..4ff5cfc28 100644
--- a/src/SMESH_I/SMESH_PythonDump.hxx
+++ b/src/SMESH_I/SMESH_PythonDump.hxx
@@ -142,6 +142,9 @@ namespace SMESH
     TPythonDump&
     operator<<(const SMESH::GeometryType& theArg);
 
+    TPythonDump&
+    operator<<(const SMESH::EntityType& theArg);
+
     TPythonDump&
     operator<<(const SMESH::long_array& theArg);