diff --git a/src/components/services/Portainer.vue b/src/components/services/Portainer.vue
index c7e9962..5f3954f 100644
--- a/src/components/services/Portainer.vue
+++ b/src/components/services/Portainer.vue
@@ -90,7 +90,9 @@ export default {
           }
         );
 
-        containers = containers.concat(endpointContainers);
+        if (endpointContainers) {
+          containers = containers.concat(endpointContainers);
+        }
       }
 
       this.containers = containers;