diff --git a/index.js b/index.js
index 264f77d..2e03066 100644
--- a/index.js
+++ b/index.js
@@ -224,7 +224,7 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
           }
         });
         var dataHandler = function (data) {
-          buffer += data.toString("latin1");
+          if (!cned) buffer += data.toString("latin1");
           var m = null;
           if (!cned) m = buffer.match(/(?:\r\n\r\n|\n\r\n\r|\n\n|\r\r)/);
           if (!cned && m) {
@@ -291,7 +291,11 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
               return;
             }
           } else {
-            if (cned && !res.finished) res.write(data);
+            if (cned && !res.finished) {
+              res.write(data);
+              interpreter.stdout.removeListener("data", dataHandler);
+              interpreter.stdout.pipe(res, {end: false});
+            }
           }
         };
         if (interpreter.stdout) {