diff --git a/packages/backend/src/core/HttpRequestService.ts b/packages/backend/src/core/HttpRequestService.ts
index bea5dee6ab..08e9f46b2d 100644
--- a/packages/backend/src/core/HttpRequestService.ts
+++ b/packages/backend/src/core/HttpRequestService.ts
@@ -129,7 +129,7 @@ export class HttpRequestService {
 		const finalUrl = res.url; // redirects may have been involved
 		const activity = await res.json() as IObject;
 
-		assertActivityMatchesUrls(activity, [url, finalUrl]);
+		assertActivityMatchesUrls(activity, [finalUrl]);
 
 		return activity;
 	}
diff --git a/packages/backend/src/core/activitypub/ApRequestService.ts b/packages/backend/src/core/activitypub/ApRequestService.ts
index 35eb1a5c53..eeff73385b 100644
--- a/packages/backend/src/core/activitypub/ApRequestService.ts
+++ b/packages/backend/src/core/activitypub/ApRequestService.ts
@@ -261,7 +261,7 @@ export class ApRequestService {
 		const finalUrl = res.url; // redirects may have been involved
 		const activity = await res.json() as IObject;
 
-		assertActivityMatchesUrls(activity, [url, finalUrl]);
+		assertActivityMatchesUrls(activity, [finalUrl]);
 
 		return activity;
 	}