diff --git a/lib/server/socket.js b/lib/server/socket.js
index c61731f9..35ad5f83 100644
--- a/lib/server/socket.js
+++ b/lib/server/socket.js
@@ -177,9 +177,11 @@
      */
     function getExec(pSocket, pConnNum){
         return function(pError, pStdout, pStderr) {
-            var lExec       = {
+            var lErrorJSON  = pStderr || pError,
+                lError      = lErrorJSON && Util.stringifyJSON( lErrorJSON ),
+                lExec       = {
                     stdout : pStdout,
-                    stderr : pStderr || pError
+                    stderr : lError
                 },            
                 
                 lExec_str   = JSON.stringify(lExec);