diff --git a/lib/twitter/client.rb b/lib/twitter/client.rb
index ea8b4a7e7..06525d2bb 100644
--- a/lib/twitter/client.rb
+++ b/lib/twitter/client.rb
@@ -31,7 +31,7 @@ def user_token?
 
     # @return [String]
     def user_agent
-      @user_agent ||= "Twitter Ruby Gem #{Twitter::Version}"
+      @user_agent ||= "TwitterRubyGem/#{Twitter::Version}"
     end
 
     # @return [Hash]