diff --git a/tutorial/rb/RubyClient.rb b/tutorial/rb/RubyClient.rb
index 9ee6e79..d40ff49 100755
--- a/tutorial/rb/RubyClient.rb
+++ b/tutorial/rb/RubyClient.rb
@@ -9,7 +9,7 @@
 
 begin
   port = ARGV[0] || 9090
-  
+
   transport = TBufferedTransport.new(TSocket.new('localhost', port))
   protocol = TBinaryProtocol.new(transport)
   client = Calculator::Client.new(protocol)