diff --git a/theatre/core/src/sequences/playbackControllers/DefaultPlaybackController.ts b/theatre/core/src/sequences/playbackControllers/DefaultPlaybackController.ts
index b099534..4617e77 100644
--- a/theatre/core/src/sequences/playbackControllers/DefaultPlaybackController.ts
+++ b/theatre/core/src/sequences/playbackControllers/DefaultPlaybackController.ts
@@ -223,7 +223,7 @@ export default class DefaultPlaybackController implements IPlaybackController {
     // causing unnecessary recalculations
     const untapFromRangeD = rangeD.keepHot()
     // We'll release our subscription once this promise resolves/rejects, for whatever reason
-    deferred.promise.then(untapFromRangeD, untapFromRangeD)
+    void deferred.promise.then(untapFromRangeD, untapFromRangeD)
 
     let lastTickerTime = ticker.time