diff --git a/node_modules/vfs-local/localfs.js b/node_modules/vfs-local/localfs.js
index 4a09ddb0..9d7e2f0c 100644
--- a/node_modules/vfs-local/localfs.js
+++ b/node_modules/vfs-local/localfs.js
@@ -1606,8 +1606,8 @@ module.exports = function setup(fsOptions) {
         function fetchPid(callback, retries){
             if (!retries) retries = 0;
             
-            _execFile("ps", ["ax"],
-                function(err, stdout){ 
+            _execFile("ps", ["ax"], { maxBuffer: 1000 * 1024 },
+                function(err, stdout){
                     var matches = (stdout || "").split("\n").filter(function(line) {
                         return line.indexOf(watchFile) > -1 
                             && !/\-L cloud9[\d\.]+ new/.test(line)