diff --git a/ports/deskutils/alacarte3/Makefile b/ports/deskutils/alacarte3/Makefile
index 91482d8..3430b8d 100644
--- a/ports/deskutils/alacarte3/Makefile
+++ b/ports/deskutils/alacarte3/Makefile
@@ -23,4 +23,7 @@ post-patch:
        @${REINPLACE_CMD} -e 's|from gi._glib import|from gi.repository.GLib import|g' \
                ${WRKSRC}/Alacarte/util.py

+       @${REINPLACE_CMD} -e "s|ron\['XDG_MENU_PREFIX'\]|ron.get('XDG_MENU_PREFIX', '')|g" \
+               ${WRKSRC}/Alacarte/MenuEditor.py
+
 .include <bsd.port.mk>