diff --git a/support/lint/browser.jshintrc b/support/lint/browser.jshintrc
index db66e533c0..9bf5d3fc6a 100644
--- a/support/lint/browser.jshintrc
+++ b/support/lint/browser.jshintrc
@@ -1,23 +1,24 @@
 {
   "bitwise": true,
   "curly": true,
+  "freeze": true,
   "immed": true,
   "indent": 2,
   "latedef": true,
   "newcap": true,
   "noarg": true,
   "quotmark": "single",
   "undef": true,
   "unused": true,
 
   "expr": true,
   "loopfunc": true,
   "sub": true,
 
   "globals": {
     "JX": false,
     "Raphael": false,
     "__DEV__": false
   },
   "browser": true
 }
diff --git a/support/lint/node.jshintrc b/support/lint/node.jshintrc
index f7ade8d7f4..d79e5878cb 100644
--- a/support/lint/node.jshintrc
+++ b/support/lint/node.jshintrc
@@ -1,23 +1,24 @@
 {
   "bitwise": true,
   "curly": true,
+  "freeze": true,
   "immed": true,
   "indent": 2,
   "latedef": true,
   "newcap": true,
   "noarg": true,
   "quotmark": "single",
   "undef": true,
   "unused": true,
 
   "expr": true,
   "loopfunc": true,
   "strict": true,
   "sub": true,
 
   "globals": {
     "JX": true,
     "__DEV__": false
   },
   "node": true
 }