diff --git a/extern/t-route b/extern/t-route
index 5ee19063b2..4639ad65a3 160000
--- a/extern/t-route
+++ b/extern/t-route
@@ -1 +1 @@
-Subproject commit 5ee19063b26c803686a48c5e3c66674f1a9d457c
+Subproject commit 4639ad65a3d6e913575c92ad77722dc902e14b36