diff --git a/src/SMESHGUI/SMESHGUI.cxx b/src/SMESHGUI/SMESHGUI.cxx
index 11af75dd9..b43530f9c 100644
--- a/src/SMESHGUI/SMESHGUI.cxx
+++ b/src/SMESHGUI/SMESHGUI.cxx
@@ -168,6 +168,7 @@
 #include <SALOMEDSClient_StudyBuilder.hxx>
 #include <SALOMEDS_Study.hxx>
 #include <SALOMEDS_SObject.hxx>
+#include "utilities.h"
 
 // OCCT includes
 #include <Standard_ErrorHandler.hxx>
diff --git a/src/SMESHGUI/SMESHGUI_CreatePolyhedralVolumeDlg.cxx b/src/SMESHGUI/SMESHGUI_CreatePolyhedralVolumeDlg.cxx
index 73fac9a84..2d1ac28f5 100644
--- a/src/SMESHGUI/SMESHGUI_CreatePolyhedralVolumeDlg.cxx
+++ b/src/SMESHGUI/SMESHGUI_CreatePolyhedralVolumeDlg.cxx
@@ -49,6 +49,8 @@
 #include <SalomeApp_Application.h>
 #include <LightApp_SelectionMgr.h>
 
+#include "utilities.h"
+
 #include <SVTK_ViewWindow.h>
 
 // OCCT includes