diff --git a/shell.js b/shell.js
index 96a4d97..e5b6ec5 100644
--- a/shell.js
+++ b/shell.js
@@ -36,7 +36,7 @@ function exec(tag, file, args, options, callback) {
 
     debug(tag + ' execFile: %s %s', file, args.join(' '));
 
-    options.maxBuffer = 5000 * 1024; // in bytes default is 200*1024
+    options.maxBuffer = 10000 * 1024; // in bytes default is 200*1024
 
     var cp = child_process.spawn(file, args, options);
     cp.stdout.on('data', function (data) {
@@ -75,7 +75,7 @@ function system(tag, cmd, options, callback) {
 
     debug(tag + ' system: %s %j', cmd, options);
 
-    options.maxBuffer = 5000 * 1024; // in bytes default is 200*1024
+    options.maxBuffer = 10000 * 1024; // in bytes default is 200*1024
 
     var cp = child_process.exec(cmd, options, function (error, stdout, stderr) {
         if (error) debug(tag + ' (error) ' + error);