diff --git a/types/webspeechapi/index.d.ts b/types/webspeechapi/index.d.ts
index 3041c778b4..a7aae15987 100644
--- a/types/webspeechapi/index.d.ts
+++ b/types/webspeechapi/index.d.ts
@@ -25,6 +25,7 @@ interface SpeechRecognition extends EventTarget {
     onspeechstart: (ev: Event) => any;
     onspeechend: (ev: Event) => any;
     onsoundend: (ev: Event) => any;
+    onaudioend: (ev: Event) => any;
     onresult: (ev: SpeechRecognitionEvent) => any;
     onnomatch: (ev: SpeechRecognitionEvent) => any;
     onerror: (ev: SpeechRecognitionError) => any;