diff --git a/packages/backend/src/server/api/endpoints/admin/queue/inbox-delayed.ts b/packages/backend/src/server/api/endpoints/admin/queue/inbox-delayed.ts
index 42afa08485..bfe230da8d 100644
--- a/packages/backend/src/server/api/endpoints/admin/queue/inbox-delayed.ts
+++ b/packages/backend/src/server/api/endpoints/admin/queue/inbox-delayed.ts
@@ -56,8 +56,8 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 			const res = [] as [string, number][];
 
 			for (const job of jobs) {
-				const signature = 'version' in job.data.signature ? job.data.signature.value : job.data.signature;
-				const host = Array.isArray(signature) ? 'TODO' : new URL(signature.keyId).host;
+				const signature = job.data.signature ? 'version' in job.data.signature ? job.data.signature.value : job.data.signature : null;
+				const host = signature ? Array.isArray(signature) ? 'TODO' : new URL(signature.keyId).host : new URL(job.data.activity.actor).host;
 				if (res.find(x => x[0] === host)) {
 					res.find(x => x[0] === host)![1]++;
 				} else {