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-rw-r--r--lib/gitlab/diff/file_collection/merge_request_diff.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/gitlab/diff/file_collection/merge_request_diff.rb b/lib/gitlab/diff/file_collection/merge_request_diff.rb
index c358ae428cf..be25e1bab21 100644
--- a/lib/gitlab/diff/file_collection/merge_request_diff.rb
+++ b/lib/gitlab/diff/file_collection/merge_request_diff.rb
@@ -34,7 +34,7 @@ module Gitlab
end
def cache_key
- [@merge_request_diff, 'highlighted-diff-files', diff_options]
+ [@merge_request_diff, 'highlighted-diff-files', Gitlab::Diff::Line::SERIALIZE_KEYS, diff_options]
end
private