diff --git a/lib/server/rest/fs/put.js b/lib/server/rest/fs/put.js
index 8a0977da..e5fe27f4 100644
--- a/lib/server/rest/fs/put.js
+++ b/lib/server/rest/fs/put.js
@@ -1,11 +1,12 @@
-(function(){
-    'use strict';
+(function() {
+//    'use strict';
     
     var main        = global.cloudcmd.main,
         Util        = main.util,
         pipe        = main.pipe,
         path        = require('path'),
         fs          = require('fs'),
+        dir         = main.srvrequire('dir'),
         diff        = main.diff,
         CloudFunc   = main.cloudfunc,
         fse         = main.require('fs-extra') || {
@@ -46,7 +47,22 @@
             break;
         
         case 'patch':
-            pipe.getBody(readStream, function(patch) {
+            dir.getSize(name, function(error, size) {
+                var MAX_SIZE = 100 * 1024;
+                
+                if (!error)
+                    if (size < MAX_SIZE)
+                        pipe.getBody(readStream, function(patch) {
+                            patchFile(patch);
+                        });
+                    else
+                        error = 'File is to big.';
+                
+                if (error)
+                    func(error);
+            });
+            
+             function patchFile(patch) {
                 fs.readFile(name, 'utf8', read);
                 
                 function read(error, data) {
@@ -76,7 +92,7 @@
                     
                     func(error, msg);
                 }
-            });
+            }
             break;
         }
     }