1 files changed, 2 insertions, 0 deletions
diff --git a/js/app.js b/js/app.js
index 12065b2..63990dc 100644
--- a/js/app.js
+++ b/js/app.js
@@ -15,6 +15,8 @@
     heartRenderer.activate();
 
     window.addEventListener('resize', heartRenderer.resize.bind(heartRenderer));
+    window.addEventListener('blur', heartRenderer.stopFollowingMouse.bind(heartRenderer));
+    window.addEventListener('focus', heartRenderer.startFollowingMouse.bind(heartRenderer));
 
     /**
      * Exported global object. This will contain the instance of the heart