diff --git a/app/views/repositories/_contributor.json.jbuilder b/app/views/repositories/_contributor.json.jbuilder
index bbfa08262..fa5151264 100644
--- a/app/views/repositories/_contributor.json.jbuilder
+++ b/app/views/repositories/_contributor.json.jbuilder
@@ -2,17 +2,17 @@ user = $redis_cache.hgetall("v2-owner-common:#{contributor["name"]}-#{contributo
 if user.blank?
   json.contributions contributor["contributions"]
   # json.gid contributor["id"]
-  json.login contributor["name"]
+  json.login contributor["name"].downcase
   json.type nil
-  json.name contributor["name"]
+  json.name contributor["name"].downcase
   json.image_url User::Avatar.get_letter_avatar_url(contributor["name"])
   json.contribution_perc User.new(login: contributor["name"], mail: contributor["email"]).simple_contribution_perc(project, contributor["contribution_perc"])
 else
   json.contributions contributor["contributions"]
   # json.gid contributor["id"]
-  json.login user["login"]
+  json.login user["login"].downcase
   json.type user["type"]
-  json.name user["name"]
+  json.name user["name"].downcase
   json.image_url user["avatar_url"]
   db_user = User.find_by_id(user["id"])
   json.contribution_perc db_user.simple_contribution_perc(project, contributor["contribution_perc"]) if db_user.present?