diff --git a/README.md b/README.md
index 6296347..dc5c3fa 100644
--- a/README.md
+++ b/README.md
@@ -113,11 +113,11 @@ class ChildComponent extends React.Component {
   };
 
   componentDidMount() {
-    this.context.loop.subscribe(this.update);
+    this.loopID = this.context.loop.subscribe(this.update);
   }
 
   componentWillUnmount() {
-    this.context.loop.unsubscribe(this.update);
+    this.context.loop.unsubscribe(this.loopID);
   }
 
   update() {