diff --git a/lib/gearmanode/job-server.js b/lib/gearmanode/job-server.js
index ce05688..e6da4cb 100644
--- a/lib/gearmanode/job-server.js
+++ b/lib/gearmanode/job-server.js
@@ -300,12 +300,12 @@ JobServer.prototype._processData = function (chunk) {
         return;
     }
 
-    if (chunk.length < protocol.CONSTANTS.HEADER_LEN) { // it's only header fragment, the rest should come in next packet
+    if (chunk.length < protocol.CONSTANTS.HEADER_LEN && chunk[0] == '00') { // it's only header fragment, the rest should come in next packet
         this.headerfrag = chunk;
         return;
     }
 
-    if (chunk.readUInt32BE(0) !== protocol.CONSTANTS.HEADER_RESP) {
+    if (chunk[0] != '00' || chunk.readUInt32BE(0) !== protocol.CONSTANTS.HEADER_RESP) {
         if (this.hasOwnProperty('segmentedPacket')) {
             chunk = Buffer.concat([this.segmentedPacket, chunk]);
         } else if (this.hasOwnProperty('headerfrag')) {