diff --git a/include/wx/gtk/combobox.h b/include/wx/gtk/combobox.h
index cd4d25d3a4..464771efcf 100644
--- a/include/wx/gtk/combobox.h
+++ b/include/wx/gtk/combobox.h
@@ -3,7 +3,7 @@
 // Purpose:
 // Author:      Robert Roebling
 // Created:     01/02/97
-// Id:
+// Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
 // Licence:   	wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -13,7 +13,7 @@
 #define __GTKCOMBOBOXH__
 
 #ifdef __GNUG__
-#pragma interface
+#pragma interface "combobox.h"
 #endif
 
 #include "wx/defs.h"
diff --git a/include/wx/gtk1/combobox.h b/include/wx/gtk1/combobox.h
index cd4d25d3a4..464771efcf 100644
--- a/include/wx/gtk1/combobox.h
+++ b/include/wx/gtk1/combobox.h
@@ -3,7 +3,7 @@
 // Purpose:
 // Author:      Robert Roebling
 // Created:     01/02/97
-// Id:
+// Id:          $Id$
 // Copyright:   (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
 // Licence:   	wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
@@ -13,7 +13,7 @@
 #define __GTKCOMBOBOXH__
 
 #ifdef __GNUG__
-#pragma interface
+#pragma interface "combobox.h"
 #endif
 
 #include "wx/defs.h"