diff --git a/utils/wesnoth-map-diff b/utils/wesnoth-map-diff
index 34a8cdba..9159e4e7 160000
--- a/utils/wesnoth-map-diff
+++ b/utils/wesnoth-map-diff
@@ -1 +1 @@
-Subproject commit 34a8cdbae907fb16eaf3ff1257ca530f55618564
+Subproject commit 9159e4e707a399bea317b8fb3e160d599698006d