diff --git a/common/modules/io.jsm b/common/modules/io.jsm
index 8fe4a2c3..c7895b32 100644
--- a/common/modules/io.jsm
+++ b/common/modules/io.jsm
@@ -18,6 +18,7 @@ lazyRequire("config", ["config"]);
 lazyRequire("contexts", ["Contexts", "contexts"]);
 lazyRequire("storage", ["File", "storage"]);
 lazyRequire("styles", ["styles"]);
+lazyRequire("template", ["template"]);
 
 // TODO: why are we passing around strings rather than file objects?
 /**
diff --git a/common/modules/javascript.jsm b/common/modules/javascript.jsm
index 1e16b5ef..85e27052 100644
--- a/common/modules/javascript.jsm
+++ b/common/modules/javascript.jsm
@@ -9,7 +9,8 @@ let { getOwnPropertyNames } = Object;
 try {
 
 defineModule("javascript", {
-    exports: ["JavaScript", "javascript"]
+    exports: ["JavaScript", "javascript"],
+    require: ["util"]
 });
 
 lazyRequire("template", ["template"]);