diff --git a/include/wx/generic/numdlgg.h b/include/wx/generic/numdlgg.h
index 6e0e40f930..2859462745 100644
--- a/include/wx/generic/numdlgg.h
+++ b/include/wx/generic/numdlgg.h
@@ -12,10 +12,10 @@
 #ifndef __NUMDLGH_G__
 #define __NUMDLGH_G__
 
-#if wxUSE_NUMBERDLG
-
 #include "wx/defs.h"
 
+#if wxUSE_NUMBERDLG
+
 #include "wx/dialog.h"
 
 #if wxUSE_SPINCTRL
@@ -77,4 +77,3 @@ wxGetNumberFromUser(const wxString& message,
 #endif // wxUSE_NUMBERDLG
 
 #endif // __NUMDLGH_G__
-
diff --git a/include/wx/numdlg.h b/include/wx/numdlg.h
index 332bac3cb5..ba8ea1cd7d 100644
--- a/include/wx/numdlg.h
+++ b/include/wx/numdlg.h
@@ -12,6 +12,8 @@
 #ifndef _WX_NUMDLGDLG_H_BASE_
 #define _WX_NUMDLGDLG_H_BASE_
 
+#include "wx/defs.h"
+
 #if wxUSE_NUMBERDLG
 
 #include "wx/generic/numdlgg.h"
@@ -19,4 +21,3 @@
 #endif // wxUSE_NUMBERDLG
 
 #endif // _WX_NUMDLGDLG_H_BASE_
-