diff --git a/include/wx/platinfo.h b/include/wx/platinfo.h
index 6169cb1069..913a08d182 100644
--- a/include/wx/platinfo.h
+++ b/include/wx/platinfo.h
@@ -12,7 +12,7 @@
 #ifndef _WX_PLATINFO_H_
 #define _WX_PLATINFO_H_
 
-#include "wx/defs.h"
+#include "wx/string.h"
 
 // ----------------------------------------------------------------------------
 // wxPlatformInfo