diff --git a/lib/httpi/adapter/excon.rb b/lib/httpi/adapter/excon.rb
index d384def..b80396b 100644
--- a/lib/httpi/adapter/excon.rb
+++ b/lib/httpi/adapter/excon.rb
@@ -42,7 +42,7 @@ def client_opts
         opts = {
           :host => url.host,
           :path => url.path,
-          :port => url.port.to_s,
+          :port => url.port,
           :query => url.query,
           :scheme => url.scheme,
           :headers => @request.headers,