diff --git a/src/SMESH_I/SMESH_Mesh_i.cxx b/src/SMESH_I/SMESH_Mesh_i.cxx
index 8bc116f05..b8635aadf 100644
--- a/src/SMESH_I/SMESH_Mesh_i.cxx
+++ b/src/SMESH_I/SMESH_Mesh_i.cxx
@@ -2549,7 +2549,7 @@ void SMESH_Mesh_i::PrepareForWriting (const char* file, bool overwrite)
 }
 
 string SMESH_Mesh_i::PrepareMeshNameAndGroups(const char* file,
-					      CORBA::Boolean overwrite)
+                                              CORBA::Boolean overwrite)
 {
   // Perform Export
   PrepareForWriting(file, overwrite);