diff --git a/lib/models/services/cluster-config-service.js b/lib/models/services/cluster-config-service.js
index badfaf4ff..e1e59aa96 100644
--- a/lib/models/services/cluster-config-service.js
+++ b/lib/models/services/cluster-config-service.js
@@ -424,7 +424,7 @@ module.exports = class ClusterConfigService {
       }
     })
     log.info('called')
-    return ClusterConfigService.findAllRelatedClusters
+    return ClusterConfigService.findAllRelatedClusters()
       .each((cluster) => rabbitMQ.deleteCluster(cluster))
   }