diff --git a/dc-backend.yaml b/dc-backend.yaml
index 5c129b18..65149398 100644
--- a/dc-backend.yaml
+++ b/dc-backend.yaml
@@ -29,8 +29,8 @@ services:
       DEBUG: "${GATEWAY_DEBUG:-true}"
 
       # --- KEYCLOAK ---
-      SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_ISSUER_URI: "${SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_ISSUER_URI}"
-      SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_JWK_SET_URI: "${SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_JWK_SET_URI}"
+      SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_ISSUER_URI: "${KC_ISSUER_URI:-http://localhost:8180/realms/meldestelle}"
+      SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_JWK_SET_URI: "${KC_JWK_SET_URI:-http://keycloak:8080/realms/meldestelle/protocol/openid-connect/certs}"
 
       # --- CONSUL ---
       SPRING_CLOUD_CONSUL_HOST: "${SPRING_CLOUD_CONSUL_HOST:-consul}"
@@ -104,8 +104,8 @@ services:
       SERVER_PORT: "${PING_SERVER_PORT:-8082}"
 
       # --- KEYCLOAK ---
-      SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_ISSUER_URI: "${SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_ISSUER_URI}"
-      SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_JWK_SET_URI: "${SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_JWK_SET_URI}"
+      SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_ISSUER_URI: "${KC_ISSUER_URI:-http://localhost:8180/realms/meldestelle}"
+      SPRING_SECURITY_OAUTH2_RESOURCESERVER_JWT_JWK_SET_URI: "${KC_JWK_SET_URI:-http://keycloak:8080/realms/meldestelle/protocol/openid-connect/certs}"
 
       # --- CONSUL ---
       SPRING_CLOUD_CONSUL_HOST: "${CONSUL_HOST:-consul}"