diff --git a/src/database/service/package.ts b/src/database/service/package.ts
index 4d1e9fe..bbde6a5 100644
--- a/src/database/service/package.ts
+++ b/src/database/service/package.ts
@@ -1,5 +1,7 @@
 import { getMongoRepository } from "typeorm";
 
+import fastify, { FastifyReply } from "fastify";
+import { ServerResponse } from "http";
 import BaseService from "./base";
 import PackageModel from "../model/package";
 import {
@@ -81,18 +83,21 @@ class PackageService extends BaseService<PackageModel> {
     sort: PackageSortFields | "SearchScore",
     order: SortOrder,
     searchOptions: IPackageSearchOptions,
+    response: fastify.FastifyReply<ServerResponse>,
   ): Promise<[Omit<IPackage & { SearchScore: number }, "_id">[], number]> {
     //
     const optionFields = Object.values(queryOptions).filter(e => e != null);
 
     // error if query AND another field is set (query only requirement)
     if (queryOptions.query != null && optionFields.length > 1) {
+      response.code(400);
       throw new Error("no other queryOptions should be set when 'query' is non-null");
     }
 
     // error if non-query fields are set and ensureContains is false, in which case
     // all non-query fields behave like a qquery and may be misleading
     if (queryOptions.query == null && optionFields.length >= 1 && searchOptions.ensureContains === false) {
+      response.code(400);
       throw new Error("non-query search parameters are redundant if ensureContains is false");
     }
 
@@ -280,7 +285,6 @@ class PackageService extends BaseService<PackageModel> {
     sort: PackageSortFields,
     order: SortOrder,
   ): Promise<[Omit<IPackage, "_id">[], number]> {
-    //
     const pkgs = await this.repository.aggregate([
       {
         $match: {
diff --git a/src/server/routes/v2/packages.ts b/src/server/routes/v2/packages.ts
index 03c14cc..35603fb 100644
--- a/src/server/routes/v2/packages.ts
+++ b/src/server/routes/v2/packages.ts
@@ -117,7 +117,7 @@ export default async (fastify: FastifyInstance): Promise<void> => {
 
   // NOTE: query searches name > publisher > description
   // NOTE: tags are exact match, separated by ','
-  fastify.get("/", { schema: packageSchema }, async request => {
+  fastify.get("/", { schema: packageSchema }, async (request, response) => {
     const {
       query,
       name,
@@ -146,7 +146,7 @@ export default async (fastify: FastifyInstance): Promise<void> => {
       publisher,
       description,
       ...(tags == null ? {} : { tags: tags.split(",") }),
-    }, take, page, sort, order, searchOptions);
+    }, take, page, sort, order, searchOptions, response);
 
     return {
       Packages: pkgs,
@@ -154,7 +154,7 @@ export default async (fastify: FastifyInstance): Promise<void> => {
     };
   });
 
-  fastify.get("/:publisher", { schema: publisherPackageSchema }, async request => {
+  fastify.get("/:publisher", { schema: publisherPackageSchema }, async (request) => {
     const { publisher } = request.params;
     const {
       take = DEFAULT_PAGE_SIZE,