diff --git a/packages/backend/src/server/api/endpoints/users/search-by-username-and-host.ts b/packages/backend/src/server/api/endpoints/users/search-by-username-and-host.ts
index f34083233..cb835252a 100644
--- a/packages/backend/src/server/api/endpoints/users/search-by-username-and-host.ts
+++ b/packages/backend/src/server/api/endpoints/users/search-by-username-and-host.ts
@@ -36,7 +36,7 @@ export const paramDef = {
 			type: "integer",
 			minimum: 1,
 			maximum: 1000,
-			default: 30,
+			nullable: true
 		},
 		detail: { type: "boolean", default: true },
 	},