diff --git a/app/views/repositories/_contributor.json.jbuilder b/app/views/repositories/_contributor.json.jbuilder
index 5d1c093bd..0c4ddfb51 100644
--- a/app/views/repositories/_contributor.json.jbuilder
+++ b/app/views/repositories/_contributor.json.jbuilder
@@ -1,11 +1,11 @@
-user = $redis_cache.hgetall("v2-owner-common:#{contributor["name"]}-#{contributor["email"]}")
+user = $redis_cache.hgetall("v2-owner-common:#{contributor["name"] || contributor["login"]}-#{contributor["email"]}")
 if user.blank?
   json.contributions contributor["commits"]
-  json.login nil
+  json.login contributor["name"].to_s.downcase || contributor["login"].to_s.downcase
   json.type nil
-  json.name contributor["name"].to_s.downcase
+  json.name contributor["name"].to_s.downcase || contributor["login"].to_s.downcase
   json.email contributor["email"]
-  json.image_url User::Avatar.get_letter_avatar_url(contributor["name"])
+  json.image_url User::Avatar.get_letter_avatar_url(contributor["name"] || contributor["login"])
   json.contribution_perc User.new(login: contributor["name"], mail: contributor["email"]).simple_contribution_perc(project, contributor["contribution_perc"])
 else
   json.contributions contributor["commits"]