diff --git a/lib/dgram.js b/lib/dgram.js
index eaf84272d1..161f908eae 100644
--- a/lib/dgram.js
+++ b/lib/dgram.js
@@ -252,8 +252,7 @@ Socket.prototype.send = function(buffer,
 
   if (typeof buffer === 'string')
     buffer = new Buffer(buffer);
-
-  if (!(buffer instanceof Buffer))
+  else if (!(buffer instanceof Buffer))
     throw new TypeError('First argument must be a buffer or string.');
 
   offset = offset | 0;