diff --git a/lib/_http_common.js b/lib/_http_common.js
index 66d4d1fb69..328b6eea8a 100644
--- a/lib/_http_common.js
+++ b/lib/_http_common.js
@@ -20,6 +20,7 @@ const kOnHeaders = HTTPParser.kOnHeaders | 0;
 const kOnHeadersComplete = HTTPParser.kOnHeadersComplete | 0;
 const kOnBody = HTTPParser.kOnBody | 0;
 const kOnMessageComplete = HTTPParser.kOnMessageComplete | 0;
+const kOnExecute = HTTPParser.kOnExecute | 0;
 
 // Only called in the slow case where slow means
 // that the request headers were either fragmented
@@ -169,6 +170,7 @@ var parsers = new FreeList('parsers', 1000, function() {
   parser[kOnHeadersComplete] = parserOnHeadersComplete;
   parser[kOnBody] = parserOnBody;
   parser[kOnMessageComplete] = parserOnMessageComplete;
+  parser[kOnExecute] = null;
 
   return parser;
 });
@@ -194,6 +196,7 @@ function freeParser(parser, req, socket) {
     parser.socket = null;
     parser.incoming = null;
     parser.outgoing = null;
+    parser[kOnExecute] = null;
     if (parsers.free(parser) === false)
       parser.close();
     parser = null;