diff --git a/index.js b/index.js
index 810b987..6d45707 100644
--- a/index.js
+++ b/index.js
@@ -101,7 +101,7 @@ Mod.prototype.callback = function (req, res, serverconsole, responseEnd, href, e
       var headerendline = -1;
       var cned = false;
       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) {
@@ -161,7 +161,11 @@ 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});
+          }
         }
       };