diff --git a/extern/t-route b/extern/t-route
index 34e6984dd6..b147750f3d 160000
--- a/extern/t-route
+++ b/extern/t-route
@@ -1 +1 @@
-Subproject commit 34e6984dd646d7f7f29126bf910af4b0b87b72b9
+Subproject commit b147750f3d439079145b81cf18e97864eed0315a