diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 162dae1ed32c375a6fbb74fd7d7850678479e19e..056ffd278f6f11cc29375b426aa4aba708f187a2 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -68,13 +68,13 @@ module ApplicationHelper
     end
   end
 
-  def avatar_icon(user_email = '', size = nil)
+  def avatar_icon(user_email = '', size = nil, scale = 2)
     user = User.find_by(email: user_email)
 
     if user
       user.avatar_url(size) || default_avatar
     else
-      gravatar_icon(user_email, size)
+      gravatar_icon(user_email, size, scale)
     end
   end
 
diff --git a/app/models/user.rb b/app/models/user.rb
index 25371f9138a04ff8ed4c594fe068e4ecb24bfd73..55c095d7d5798b590e8e1bebaf8e093c2034c9ba 100644
--- a/app/models/user.rb
+++ b/app/models/user.rb
@@ -633,11 +633,11 @@ class User < ActiveRecord::Base
     email.start_with?('temp-email-for-oauth')
   end
 
-  def avatar_url(size = nil)
+  def avatar_url(size = nil, scale = 2)
     if avatar.present?
       [gitlab_config.url, avatar.url].join
     else
-      GravatarService.new.execute(email, size)
+      GravatarService.new.execute(email, size, scale)
     end
   end