diff --git a/antonclk/antonclk.app.js b/antonclk/antonclk.app.js
index 16837d9..722f7c5 100644
--- a/antonclk/antonclk.app.js
+++ b/antonclk/antonclk.app.js
@@ -422,7 +422,7 @@
 			Bangle.removeListener('twist', handleTwist);
 			if (drawTimer) clearTimeout(drawTimer);
 			drawTimer = undefined;
-			if (stopWatchTimer) clearTimeout(stopWatchTimer);
+			if (stopWatchTimer) clearInterval(stopWatchTimer);
 			stopWatchTimer = undefined;
 
 			paintFace = undefined; // http request may resolve after font's been unloaded, so unset