diff --git a/samples/db/dbtest.rc b/samples/db/dbtest.rc
index 69fb4aa0a1..5b153e2684 100644
--- a/samples/db/dbtest.rc
+++ b/samples/db/dbtest.rc
@@ -1,3 +1,3 @@
 db_icon ICON "dbtest.ico"
-#include "wx\msw\wx.rc"
+#include "wx/msw/wx.rc"