diff --git a/docker-compose.yml b/docker-compose.yml
index 4b55d4f..1c3dc69 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -195,7 +195,7 @@ services:
             ACTIVITI_ES_REST_CLIENT_PORT: 9200
             ACTIVITI_ES_REST_CLIENT_SCHEMA: http
             IDENTITY_SERVICE_ENABLED: "true"
-            IDENTITY_SERVICE_AUTH: $IDENTITY_SERVICE_BASEURL/auth
+            IDENTITY_SERVICE_AUTH: ${IDENTITY_SERVICE_PROTOCOL}://${IDENTITY_SERVICE_HOST}:${IDENTITY_SERVICE_PORT}/auth
             JAVA_OPTS: "-XX:MinRAMPercentage=50 -XX:MaxRAMPercentage=80"
         depends_on:
             - postgres-aps