diff --git a/lib/http-proxy/common.js b/lib/http-proxy/common.js
index 15e0392..679812a 100644
--- a/lib/http-proxy/common.js
+++ b/lib/http-proxy/common.js
@@ -3,7 +3,13 @@ var common   = exports,
     extend   = require('util')._extend,
     required = require('requires-port');
 
-var upgradeHeader = /(^|,)\s*upgrade\s*($|,)/i;
+var upgradeHeader = /(^|,)\s*upgrade\s*($|,)/i,
+    isSSL = /^https|wss/;
+
+/**
+ * Simple Regex for testing if protocol is https
+ */
+common.isSSL = isSSL;
 /**
  * Copies the right headers from `options` and `req` to
  * `outgoing` which is then used to fire the proxied
@@ -26,7 +32,7 @@ var upgradeHeader = /(^|,)\s*upgrade\s*($|,)/i;
 
 common.setupOutgoing = function(outgoing, options, req, forward) {
   outgoing.port = options[forward || 'target'].port ||
-                  (~['https:', 'wss:'].indexOf(options[forward || 'target'].protocol) ? 443 : 80);
+                  (isSSL.test(options[forward || 'target'].protocol) ? 443 : 80);
 
   ['host', 'hostname', 'socketPath'].forEach(
     function(e) { outgoing[e] = options[forward || 'target'][e]; }
@@ -39,7 +45,7 @@ common.setupOutgoing = function(outgoing, options, req, forward) {
     extend(outgoing.headers, options.headers);
   }
 
-  if (~['https:', 'wss:'].indexOf(options[forward || 'target'].protocol)) {
+  if (isSSL.test(options[forward || 'target'].protocol)) {
     outgoing.rejectUnauthorized = (typeof options.secure === "undefined") ? true : options.secure;
   }
 
diff --git a/lib/http-proxy/passes/ws-incoming.js b/lib/http-proxy/passes/ws-incoming.js
index c8a5f20..9ad8060 100644
--- a/lib/http-proxy/passes/ws-incoming.js
+++ b/lib/http-proxy/passes/ws-incoming.js
@@ -84,7 +84,7 @@ var passes = exports;
     if (head && head.length) socket.unshift(head);
 
 
-    var proxyReq = (~['https:', 'wss:'].indexOf(options.target.protocol) ? https : http).request(
+    var proxyReq = (common.isSSL.test(options.target.protocol) ? https : http).request(
       common.setupOutgoing(options.ssl || {}, options, req)
     );
     // Error Handler