diff --git a/spec/services/ci/create_pipeline_service_spec.rb b/spec/services/ci/create_pipeline_service_spec.rb
index cd63eeac5faa5125b71f327c64b705603f4abf1d..a61c17c66f1a2615e833135b73e53e194c27f4c7 100644
--- a/spec/services/ci/create_pipeline_service_spec.rb
+++ b/spec/services/ci/create_pipeline_service_spec.rb
@@ -40,7 +40,7 @@ describe Ci::CreatePipelineService, services: true do
         end
 
         def previous_commit_sha_from_ref(ref)
-          project.repository.find_commits(ref: ref, max_count: 2)[1].id
+          project.commit(ref).parent.sha
         end
 
         before do