diff --git a/tests/asserthelper.h b/tests/asserthelper.h
index 5743154038..254db6f7e8 100644
--- a/tests/asserthelper.h
+++ b/tests/asserthelper.h
@@ -11,9 +11,9 @@
 #define _WX_TESTS_ASSERTHELPER_H_
 
 #include <ostream>
-#include <wx/colour.h>
-#include <wx/gdicmn.h>
-#include <wx/font.h>
+#include "wx/colour.h"
+#include "wx/gdicmn.h"
+#include "wx/font.h"
 
 namespace
 {