diff --git a/packages/core-data/src/services/BaseService.js b/packages/core-data/src/services/BaseService.js
index ad18467f..6e30c317 100644
--- a/packages/core-data/src/services/BaseService.js
+++ b/packages/core-data/src/services/BaseService.js
@@ -1,5 +1,6 @@
 // @flow
 
+import _ from 'underscore';
 import Api from '../utils/Api';
 
 class BaseService {
@@ -172,8 +173,8 @@ class BaseService {
    */
   getSearchParams(params) {
     return {
-      project_ids: this.projectIds,
-      ...params
+      ...params,
+      'project_ids[]': this.projectIds
     };
   }
 }