diff --git a/spec/javascripts/boards/board_card_spec.js b/spec/javascripts/boards/board_card_spec.js
index 2064ca2632b..376e706d1db 100644
--- a/spec/javascripts/boards/board_card_spec.js
+++ b/spec/javascripts/boards/board_card_spec.js
@@ -1,5 +1,5 @@
 /* global List */
-/* global ListUser */
+/* global ListAssignee */
 /* global ListLabel */
 /* global listObj */
 /* global boardsMockInterceptor */
@@ -133,12 +133,12 @@ describe('Issue card', () => {
     });
 
     it('does not set detail issue if img is clicked', (done) => {
-      vm.issue.assignee = new ListUser({
+      vm.issue.assignees = [new ListAssignee({
         id: 1,
         name: 'testing 123',
         username: 'test',
         avatar: 'test_image',
-      });
+      })];
 
       Vue.nextTick(() => {
         triggerEvent('mouseup', vm.$el.querySelector('img'));
diff --git a/spec/javascripts/boards/board_list_spec.js b/spec/javascripts/boards/board_list_spec.js
index 3f598887603..a89be911667 100644
--- a/spec/javascripts/boards/board_list_spec.js
+++ b/spec/javascripts/boards/board_list_spec.js
@@ -35,6 +35,7 @@ describe('Board list component', () => {
       iid: 1,
       confidential: false,
       labels: [],
+      assignees: [],
     });
     list.issuesSize = 1;
     list.issues.push(issue);
diff --git a/spec/javascripts/boards/list_spec.js b/spec/javascripts/boards/list_spec.js
index 88a0e6855f4..8e3d9fd77a0 100644
--- a/spec/javascripts/boards/list_spec.js
+++ b/spec/javascripts/boards/list_spec.js
@@ -120,7 +120,8 @@ describe('List model', () => {
           title: 'Testing',
           iid: _.random(10000) + i,
           confidential: false,
-          labels: [list.label]
+          labels: [list.label],
+          assignees: [],
         }));
       }
       list.issuesSize = 50;
@@ -138,7 +139,8 @@ describe('List model', () => {
         title: 'Testing',
         iid: _.random(10000),
         confidential: false,
-        labels: [list.label]
+        labels: [list.label],
+        assignees: [],
       }));
       list.issuesSize = 2;