diff --git a/README.md b/README.md
index 2f8aed6..efe00b4 100644
--- a/README.md
+++ b/README.md
@@ -108,6 +108,10 @@ $ npm install jasmine2-custom-message --save-dev
 ```js
 require('jasmine2-custom-message');
 ```
+* or be explicit in any functional scope
+```js
+var since = require('jasmine2-custom-message');
+```
 
 ## Change log
 
diff --git a/jasmine2-custom-message.js b/jasmine2-custom-message.js
index 4683a3e..a6b3f3c 100644
--- a/jasmine2-custom-message.js
+++ b/jasmine2-custom-message.js
@@ -74,7 +74,7 @@
   };
 
   var defineSince = function() {
-    global.since = function(customMessage) {
+    return global.since = function(customMessage) {
       return {
         expect: wrapExpect(global.expect, customMessage)
       };