diff --git a/src/Utils/decode-wa-message.ts b/src/Utils/decode-wa-message.ts
index b1eabdac..71db578b 100644
--- a/src/Utils/decode-wa-message.ts
+++ b/src/Utils/decode-wa-message.ts
@@ -334,7 +334,7 @@ export const decryptMessageNode = (
 							viewOnceInner?.videoMessage?.viewOnce ||
 							viewOnceInner?.audioMessage?.viewOnce
 						) {
-							fullMessage.key!.isViewOnce = true
+							fullMessage.key.isViewOnce = true
 						}
 					} catch (err: any) {
 						const errorContext = {