diff --git a/riscos/gui.h b/riscos/gui.h
index 0ee426b4c..8f849ae14 100644
--- a/riscos/gui.h
+++ b/riscos/gui.h
@@ -23,9 +23,10 @@
 
 #include <stdbool.h>
 #include <stdlib.h>
-#include "oslib/osspriteop.h"
-#include "oslib/wimp.h"
-#include "rufl.h"
+#include <oslib/osspriteop.h>
+#include <oslib/wimp.h>
+#include <rufl.h>
+
 #include "desktop/browser.h"
 #include "content/content_type.h"
 #include "utils/config.h"