diff --git a/docker-compose.test.yml b/docker-compose.test.yml
index edb60c83..7d1c289f 100644
--- a/docker-compose.test.yml
+++ b/docker-compose.test.yml
@@ -71,7 +71,7 @@ services:
       MAILER_TRANSPORT: smtp
       OAUTH_KEYCLOAK_CLIENT_ID: opendatenschutzcenter
       OAUTH_KEYCLOAK_CLIENT_SECRET: ${OAUTH_KEYCLOAK_CLIENT_SECRET}
-      OAUTH_KEYCLOAK_SERVER: ${HTTP_METHOD}://keycloak.${PUBLIC_URL}/auth
+      OAUTH_KEYCLOAK_SERVER: ${HTTP_METHOD}://${PUBLIC_URL}/keycloak
       OAUTH_KEYCLOAK_REALM: opendatenschutzcenter
       MAILER_DSN: ${MAILER_DSN}
       MAILER_HOST: ${MAILER_HOST}