diff --git a/frontend/app/components/api/api-work-packages/api-work-packages.service.ts b/frontend/app/components/api/api-work-packages/api-work-packages.service.ts
index eb3a052821..7a3eb99e2f 100644
--- a/frontend/app/components/api/api-work-packages/api-work-packages.service.ts
+++ b/frontend/app/components/api/api-work-packages/api-work-packages.service.ts
@@ -35,9 +35,9 @@ export class ApiWorkPackagesService {
 
   public list(offset:number, pageSize:number, query:api.ex.Query) {
     var workPackages;
-    var uncachedProvider = this.apiV3.setDefaultHttpFields({cache: false});
+    var uncachedProvider:restangular.IService = this.uncachedAPI();
 
-  if (query.projectId) {
+    if (query.projectId) {
       workPackages = uncachedProvider.service('work_packages', this.apiV3.one('projects', query.projectId));
     }
     else {
@@ -47,6 +47,12 @@ export class ApiWorkPackagesService {
     return workPackages.getList(this.queryAsV3Params(offset, pageSize, query));
   }
 
+  private uncachedAPI():restangular.IService {
+    return this.apiV3.withConfig(function(RestangularConfigurer) {
+      RestangularConfigurer.setDefaultHttpFields({ cache: false });
+    });
+  }
+
   protected queryAsV3Params(offset:number, pageSize:number, query:api.ex.Query) {
 
     const v3Filters = _.map(query.filters, (filter:any) => {
diff --git a/frontend/app/components/routing/wp-list/wp-list.controller.ts b/frontend/app/components/routing/wp-list/wp-list.controller.ts
index e237e776ee..509fe3ac8c 100644
--- a/frontend/app/components/routing/wp-list/wp-list.controller.ts
+++ b/frontend/app/components/routing/wp-list/wp-list.controller.ts
@@ -211,7 +211,7 @@ function WorkPackagesListController($scope,
     wpListService.fromQueryInstance($scope.query, $scope.projectIdentifier)
       .then(function (json:api.ex.WorkPackagesMeta) {
 
-        var rowLookup = _.indexBy($scope.rows, row => row.object.id);
+        var rowLookup = _.indexBy($scope.rows, (row:any) => row.object.id);
 
         // Merge based on id and lockVersion
         angular.forEach(json.work_packages, (fresh, i) => {