diff --git a/packages/backend/src/core/activitypub/type.ts b/packages/backend/src/core/activitypub/type.ts
index 368650a83d..1d55971660 100644
--- a/packages/backend/src/core/activitypub/type.ts
+++ b/packages/backend/src/core/activitypub/type.ts
@@ -55,7 +55,7 @@ export function getOneApId(value: ApObject): string {
 export function getApId(value: string | IObject): string {
 	if (typeof value === 'string') return value;
 	if (typeof value.id === 'string') return value.id;
-	throw new Error('cannot detemine id');
+	throw new Error('cannot determine id');
 }
 
 /**
diff --git a/packages/backend/src/queue/processors/InboxProcessorService.ts b/packages/backend/src/queue/processors/InboxProcessorService.ts
index 183399c14c..935c623df1 100644
--- a/packages/backend/src/queue/processors/InboxProcessorService.ts
+++ b/packages/backend/src/queue/processors/InboxProcessorService.ts
@@ -69,7 +69,7 @@ export class InboxProcessorService {
 		this.logger.debug(JSON.stringify(info, null, 2));
 		//#endregion
 
-		const host = this.utilityService.toPuny(new URL(activity.actor).hostname);
+		const host = this.utilityService.toPuny(new URL(actorUri).hostname);
 
 		// ブロックしてたら中断
 		const meta = await this.metaService.fetch();