diff --git a/apps/batchart/widget.js b/apps/batchart/widget.js
index 610da4017..7c4762649 100644
--- a/apps/batchart/widget.js
+++ b/apps/batchart/widget.js
@@ -38,7 +38,7 @@
   }
 
   function onHrm() {
-    gpsEventReceived = true;
+    hrmEventReceived = true;
     Bangle.removeListener("HRM", onHrm);
   }