diff --git a/src/SMESHGUI/SMESHGUI_ComputeDlg.cxx b/src/SMESHGUI/SMESHGUI_ComputeDlg.cxx
index 1bf5e5c8b..669d024a1 100644
--- a/src/SMESHGUI/SMESHGUI_ComputeDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_ComputeDlg.cxx
@@ -61,6 +61,7 @@
 #include <SALOMEDS_SObject.hxx>
 #include <SALOMEDSClient_SObject.hxx>
 #include <SALOMEDS_wrap.hxx>
+#include "utilities.h"
 
 #include CORBA_SERVER_HEADER(SMESH_Group)