diff --git a/.eslintrc b/.eslintrc
index 290ac3a..e4b6de9 100644
--- a/.eslintrc
+++ b/.eslintrc
@@ -181,7 +181,7 @@ rules:
 
   # Treat var statements as if they were block scoped
   # http://eslint.org/docs/rules/block-scoped-var
-  block-scoped-var: 0 # TODO(krotscheck): Discuss & Activate
+  block-scoped-var: 2
 
   # Specify the maximum cyclomatic complexity allowed in a program
   # http://eslint.org/docs/rules/complexity