diff --git a/amt/amt-wsman-comm.js b/amt/amt-wsman-comm.js
index 608f171d..d243ea18 100644
--- a/amt/amt-wsman-comm.js
+++ b/amt/amt-wsman-comm.js
@@ -76,7 +76,7 @@ var CreateWsmanComm = function (host, port, user, pass, tls, tlsoptions, mpsConn
     function SerialTunnel(options) {
         var obj = new require('stream').Duplex(options);
         obj.forwardwrite = null;
-        obj.updateBuffer = function (chunk) { this.push(chunk); };
+        obj.updateBuffer = function (chunk) { try { this.push(chunk); } catch (ex) { } };
         obj._write = function (chunk, encoding, callback) { if (obj.forwardwrite != null) { obj.forwardwrite(chunk); } else { console.err("Failed to fwd _write."); } if (callback) callback(); }; // Pass data written to forward
         obj._read = function (size) { }; // Push nothing, anything to read should be pushed from updateBuffer()
         return obj;