diff --git a/ee/spec/services/ee/merge_requests/update_assignees_service_spec.rb b/ee/spec/services/ee/merge_requests/update_assignees_service_spec.rb
index a9bb72fab5be99a4a7f9549a93af84ce6c00ba46..b9d016a0e27a345dc4e25859c3c10e06f1891f14 100644
--- a/ee/spec/services/ee/merge_requests/update_assignees_service_spec.rb
+++ b/ee/spec/services/ee/merge_requests/update_assignees_service_spec.rb
@@ -51,7 +51,7 @@ def update_merge_request
         let(:opts) { { assignee_ids: [0, user2.id, 0, user3.id, 0] } }
 
         it 'ignores 0 IDs' do
-          expect { update_merge_request }.to change(merge_request, :assignees).to([user2, user3])
+          expect { update_merge_request }.to change(merge_request, :assignees).to(match_array([user2, user3]))
         end
       end
     end