diff --git a/lib/oauth2.js b/lib/oauth2.js
index 319fb03..4cfe290 100644
--- a/lib/oauth2.js
+++ b/lib/oauth2.js
@@ -29,13 +29,16 @@ exports.OAuth2.prototype._getAccessTokenUrl= function() {
 
 exports.OAuth2.prototype._request= function(method, url, headers, post_body, access_token, callback) {
 
+  var http_library= https;
   var creds = crypto.createCredentials({ });
   var parsedUrl= URL.parse( url, true );
   if( parsedUrl.protocol == "https:" && !parsedUrl.port ) {
     parsedUrl.port= 443;
-    http_library = https;
-  } else {
-    http_library = http;
+  }
+
+  // As this is OAUth2, we *assume* https unless told explicitly otherwise.
+  if( parsedUrl.protocol != "https:" ) {
+    http_library= http;
   }
 
   var realHeaders= {};