diff --git a/build.js b/build.js
index 0d0262e..34852e6 100644
--- a/build.js
+++ b/build.js
@@ -1,3 +1,4 @@
+"use strict";
 var stealTools = require("steal-tools");
 
 stealTools.export({
diff --git a/can-view-autorender.js b/can-view-autorender.js
index 7c389b6..24aa09e 100644
--- a/can-view-autorender.js
+++ b/can-view-autorender.js
@@ -1,3 +1,4 @@
+"use strict";
 var canViewModel = require("can-view-model");
 var camelize = require("can-util/js/string/string").camelize;
 var each = require("can-util/js/each/each");