[API] Fix URLs in the 'Link' header for 'GET /projects/:id/repository/contributors' when no value is passed for 'order_by' or 'sort'

Signed-off-by: Rémy Coutable <remy@rymai.me>

1 files changed, 2 insertions, 2 deletions

diff --git a/lib/api/repositories.rb b/lib/api/repositories.rb
index 2396dc73f0e..bb3fa99af38 100644
--- a/lib/api/repositories.rb
+++ b/lib/api/repositories.rb
@@ -111,8 +111,8 @@ module API
       end
       params do
         use :pagination
-        optional :order_by, type: String, values: %w[email name commits], default: nil, desc: 'Return contributors ordered by `name` or `email` or `commits`'
-        optional :sort, type: String, values: %w[asc desc], default: nil, desc: 'Sort by asc (ascending) or desc (descending)'
+        optional :order_by, type: String, values: %w[email name commits], default: 'commits', desc: 'Return contributors ordered by `name` or `email` or `commits`'
+        optional :sort, type: String, values: %w[asc desc], default: 'asc', desc: 'Sort by asc (ascending) or desc (descending)'
       end
       get ':id/repository/contributors' do
         begin