diff --git a/app/models/repository.rb b/app/models/repository.rb
index 4b8dee4829b4bd87ab7010c0e8e8509c6133ff55..33b7c55665828034d5806c95f0e752ed415a5872 100644
--- a/app/models/repository.rb
+++ b/app/models/repository.rb
@@ -65,7 +65,7 @@ def expire_cache
   end
 
   def graph_log
-    Rails.cache.fetch(cache_key(:graph)) do
+    Rails.cache.fetch(cache_key(:graph_log)) do
       stats = Gitlab::Git::GitStats.new(raw, root_ref)
       stats.parsed_log
     end