diff --git a/index.js b/index.js
index 72152b4..545aaa1 100644
--- a/index.js
+++ b/index.js
@@ -59,7 +59,7 @@ class BackgroundTimer {
 
   stopBackgroundTimer() {
     this.stop();
-    clearTimeout(this.backgroundTimer);
+    this.clearTimeout(this.backgroundTimer);
   }
 
   // New API, allowing for multiple timers