diff --git a/src/utils/player.ts b/src/utils/player.ts
index b84cdfeb..d4f9dc68 100644
--- a/src/utils/player.ts
+++ b/src/utils/player.ts
@@ -2,7 +2,7 @@ type PlayerEventType = keyof HTMLMediaElementEventMap;
 
 type PlayerEventListener = (
   this: HTMLAudioElement,
-  ev: HTMLMediaElementEventMap[keyof HTMLMediaElementEventMap]
+  event: HTMLMediaElementEventMap[keyof HTMLMediaElementEventMap]
 ) => void;
 
 export class PlayerClass {