diff --git a/src/lib/connectors/http.js b/src/lib/connectors/http.js
index fcaf91f3c..7d972a1cd 100644
--- a/src/lib/connectors/http.js
+++ b/src/lib/connectors/http.js
@@ -185,10 +185,11 @@ HttpConnector.prototype.request = function (params, cb) {
     request.setHeader('Content-Length', Buffer.byteLength(params.body, 'utf8'));
     request.end(params.body);
   } else {
+    request.setHeader('Content-Length', 0);
     request.end();
   }
 
   return function () {
     request.abort();
   };
-};
\ No newline at end of file
+};