diff --git a/app/views/repositories/_contributor.json.jbuilder b/app/views/repositories/_contributor.json.jbuilder
index 001ddd8b1..b0547eba3 100644
--- a/app/views/repositories/_contributor.json.jbuilder
+++ b/app/views/repositories/_contributor.json.jbuilder
@@ -1,7 +1,7 @@
 user = $redis_cache.hgetall("v2-owner-common:#{contributor["name"] || contributor["login"]}-#{contributor["email"]}")
 if user.blank?
   json.contributions contributor["commits"] || contributor["contributions"]
-  json.login (contributor["name"] || contributor["login"]).to_s.downcase
+  json.login nil
   json.type nil
   json.name (contributor["name"] || contributor["login"]).to_s.downcase
   json.email contributor["email"]
@@ -10,7 +10,7 @@ if user.blank?
 else
   json.contributions contributor["commits"] || contributor["contributions"]
   json.id user["id"]
-  json.login (user["login"] || contributor["name"] || contributor["login"]).to_s.downcase
+  json.login user["login"]
   json.email user["email"]
   json.type user["type"]
   json.name (user["name"] || contributor["name"] || contributor["login"]).to_s.downcase