diff --git a/include/wx/propgrid/props.h b/include/wx/propgrid/props.h
index 539b91e726..698f02c06b 100644
--- a/include/wx/propgrid/props.h
+++ b/include/wx/propgrid/props.h
@@ -17,8 +17,6 @@
 
 // -----------------------------------------------------------------------
 
-class WXDLLIMPEXP_FWD_PROPGRID wxPGArrayEditorDialog;
-
 #include "wx/propgrid/property.h"
 
 #include "wx/filename.h"
@@ -26,6 +24,8 @@ class WXDLLIMPEXP_FWD_PROPGRID wxPGArrayEditorDialog;
 #include "wx/textctrl.h"
 #include "wx/valtext.h"
 
+class WXDLLIMPEXP_FWD_PROPGRID wxPGArrayEditorDialog;
+
 // -----------------------------------------------------------------------
 
 //