diff --git a/app/portainer/views/stacks/edit/stackController.js b/app/portainer/views/stacks/edit/stackController.js
index f7e8b05d2..73d28df66 100644
--- a/app/portainer/views/stacks/edit/stackController.js
+++ b/app/portainer/views/stacks/edit/stackController.js
@@ -269,8 +269,7 @@ angular.module('portainer.app').controller('StackController', [
           var stack = data.stack;
           $scope.groups = data.groups;
           $scope.stack = stack;
-          $scope.containers = data.containers;
-          $scope.containerNames = ContainerHelper.getContainerNames($scope.containers);
+          $scope.containerNames = ContainerHelper.getContainerNames(data.containers);
 
           let resourcesPromise = Promise.resolve({});
           if (stack.Status === 1) {