changed billing scheduler
diff --git a/services/self-service/self-service.yml b/services/self-service/self-service.yml
index 4e71316..4d6cad5 100644
--- a/services/self-service/self-service.yml
+++ b/services/self-service/self-service.yml
@@ -152,7 +152,7 @@
     cron: "0 */15 * ? * *"
   billingScheduler:
     enabled: true
-    cron: "*/50 * * ? * * *"
+    cron: "0 */15 * ? * *"
 
 
 guacamole: