diff --git a/ttcn3-upf-test/Dockerfile b/ttcn3-upf-test/Dockerfile
index addc43f8..c0e3d6cf 100644
--- a/ttcn3-upf-test/Dockerfile
+++ b/ttcn3-upf-test/Dockerfile
@@ -3,7 +3,7 @@ ARG	USER
 FROM	$REGISTRY/$USER/debian-bullseye-titan
 ARG	OSMO_TTCN3_BRANCH="master"
 
-ADD	http://git.osmocom.org/osmo-ttcn3-hacks/patch?h=$OSMO_TTCN3_BRANCH /tmp/commit
+ADD	https://gerrit.osmocom.org/plugins/gitiles/osmo-ttcn3-hacks/+/$OSMO_TTCN3_BRANCH?format=TEXT /tmp/commit
 RUN	ttcn3-docker-prepare "$OSMO_TTCN3_BRANCH" upf
 
 VOLUME	/data