diff --git a/lib/restclient/request.rb b/lib/restclient/request.rb
index 7ea0d43..5f9f814 100644
--- a/lib/restclient/request.rb
+++ b/lib/restclient/request.rb
@@ -165,7 +165,7 @@ module RestClient
 
       # disable the timeout if the timeout value is -1
       net.read_timeout = nil if @timeout == -1
-      net.out_timeout = nil if @open_timeout == -1
+      net.open_timeout = nil if @open_timeout == -1
 
       RestClient.before_execution_procs.each do |before_proc|
         before_proc.call(req, args)