diff --git a/docker-compose.yml b/docker-compose.yml
index 481e2ac..d1c1d6f 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,7 +5,7 @@ services:
   coturn:
     container_name: coturn
     image: coturn:$VERSION_COTURN
-    build: "https://git.scimetis.net/yohan/docker-coturn.git"
+    #build: "https://git.scimetis.net/yohan/docker-coturn.git"
     restart: unless-stopped
     network_mode: "host"
     command: ["--listening-port", "3478", "--verbose", "--fingerprint", "--use-auth-secret", "--static-auth-secret", "$SECRET", "--realm", "scimetis.net", "--total-quota", "100", "--bps-capacity", "0", "--stale-nonce", "--no-multicast-peers"]
diff --git a/start_or_update.sh b/start_or_update.sh
index de12d9c..98a5264 100755
--- a/start_or_update.sh
+++ b/start_or_update.sh
@@ -7,6 +7,12 @@ sudo chmod a-r secret
 sudo mv -f secret .env
 
 unset VERSION_COTURN
-VERSION_COTURN=$(git ls-remote https://git.scimetis.net/yohan/docker-coturn.git| head -1 | cut -f 1|cut -c -10) \
- sudo -E bash -c 'docker-compose up -d'
+export VERSION_COTURN=$(git ls-remote https://git.scimetis.net/yohan/docker-coturn.git| head -1 | cut -f 1|cut -c -10)
 
+mkdir -p ~/build
+git clone https://git.scimetis.net/yohan/docker-coturn.git ~/build/docker-coturn
+sudo docker build -t coturn:$VERSION_COTURN ~/build/docker-coturn
+
+sudo -E bash -c 'docker-compose up -d'
+
+rm -rf ~/build