diff --git a/.eslintrc b/.eslintrc
index 7f4bbd6..0b7aef2 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -343,7 +343,9 @@ rules:
 
   # Disallow declaring the same variable more than once
   # http://eslint.org/docs/rules/no-redeclare
-  no-redeclare: 2
+  no-redeclare:
+  - 2
+  - builtinGlobals: true
 
   # Disallow use of assignment in return statement
   # http://eslint.org/docs/rules/no-return-assign