diff --git a/fixtures/attribute-behavior/src/App.js b/fixtures/attribute-behavior/src/App.js
index ad6e863e1fa0..8234235923ab 100644
--- a/fixtures/attribute-behavior/src/App.js
+++ b/fixtures/attribute-behavior/src/App.js
@@ -602,7 +602,7 @@ class Result extends React.Component {
 
   componentWillUnmount() {
     if (this.timeout) {
-      clearTimeout(this.interval);
+      clearTimeout(this.timeout);
     }
   }