diff --git a/docker/zammad/Dockerfile b/docker/zammad/Dockerfile
index ebcf26a..4d68f90 100644
--- a/docker/zammad/Dockerfile
+++ b/docker/zammad/Dockerfile
@@ -19,7 +19,7 @@ ARG EMBEDDED=false
 RUN if [ "$EMBEDDED" = "true" ] ; then sed -i '/location \/ {/i \
 \    \n\
 \    location /link {\n\
-\        proxy_pass http://link;\n\
+\        proxy_pass http://link:3000;\n\
 \        proxy_set_header Host $host;\n\
 \        proxy_set_header X-Real-IP $remote_addr;\n\
 \        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;\n\