diff --git a/lib/bindings/http/binary_0_1.js b/lib/bindings/http/binary_0_1.js
index 7cbe2ed..9309c63 100644
--- a/lib/bindings/http/binary_0_1.js
+++ b/lib/bindings/http/binary_0_1.js
@@ -27,7 +27,7 @@ HTTPBinary.prototype.emit = function(cloudevent){
   _headers["CE-SchemaURL"] = cloudevent.getSchemaurl();
 
   // Set the cloudevent payload
-  _config["data"] = cloudevent.format();
+  _config["data"] = cloudevent.format().data;
 
   // Return the Promise
   return axios.request(_config);