diff --git a/apps/warpdrive/app.js b/apps/warpdrive/app.js
index 760a5e02b..27c90e5fb 100644
--- a/apps/warpdrive/app.js
+++ b/apps/warpdrive/app.js
@@ -621,3 +621,8 @@ Bangle.on("lock", l => {
   locked = l;
   setupInterval();
 });
+
+Bangle.on('charging', c => {
+  charging = c;
+  setupInterval();
+});