diff --git a/spec/models/merge_request_spec.rb b/spec/models/merge_request_spec.rb
index fe65096fd1ec5888fb1887568d7cb57e39b1bdc1..3a524158a47eeaeff38e5cf9ecfee6fcb5edcc8e 100644
--- a/spec/models/merge_request_spec.rb
+++ b/spec/models/merge_request_spec.rb
@@ -112,7 +112,7 @@
     let(:commit2) { mock('commit2', closes_issues: [issue1]) }
 
     before do
-      subject.stub(unmerged_commits: [commit0, commit1, commit2])
+      subject.stub(commits: [commit0, commit1, commit2])
     end
 
     it 'accesses the set of issues that will be closed on acceptance' do