diff --git a/docker-compose.yml b/docker-compose.yml
index c0bec9c..4c6cdb8 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -13,7 +13,7 @@ services:
             ACTIVITI_HIBERNATE_DIALECT: org.hibernate.dialect.PostgreSQLDialect
             ACTIVITI_DATASOURCE_URL: 'jdbc:postgresql://postgres-aps:5432/activiti?characterEncoding=UTF-8'
             IDENTITY_SERVICE_ENABLED: "true"
-            IDENTITY_SERVICE_AUTH: ${IDENTITY_SERVICE_PROTOCOL}://${IDENTITY_SERVICE_HOST}:${IDENTITY_SERVICE_PORT}/auth
+            IDENTITY_SERVICE_AUTH: http://identity:8080/auth
             IDENTITY_SERVICE_CONTENT_SSO_REDIRECT_URI: ${PROXY_PROTOCOL}://${PROXY_HOST}:${PROXY_PORT}/activiti-app/app/rest/integration/sso/confirm-auth-request
             JAVA_OPTS: "-Xms128m -Xmx256m"
         depends_on: