diff --git a/src/pages/api/stats.ts b/src/pages/api/stats.ts
index 670fa27..c3ae15e 100644
--- a/src/pages/api/stats.ts
+++ b/src/pages/api/stats.ts
@@ -1,6 +1,7 @@
 import { Stats } from '@prisma/client';
 import config from 'lib/config';
 import datasource from 'lib/datasource';
+import Logger from 'lib/logger';
 import prisma from 'lib/prisma';
 import { NextApiReq, NextApiRes, UserExtended, withZipline } from 'middleware/withZipline';
 import { getStats } from 'server/util';
@@ -9,7 +10,7 @@ async function handler(req: NextApiReq, res: NextApiRes, user: UserExtended) {
   if (req.method === 'POST') {
     if (!user.administrator) return res.forbidden('not an administrator');
 
-    const stats = await getStats(prisma, datasource);
+    const stats = await getStats(prisma, datasource, Logger.get('server'));
     const stats_data = await prisma.stats.create({
       data: {
         data: stats,
diff --git a/src/server/index.ts b/src/server/index.ts
index 47e4f82..6074dba 100644
--- a/src/server/index.ts
+++ b/src/server/index.ts
@@ -192,7 +192,7 @@ async function start() {
 }
 
 async function stats(this: FastifyInstance) {
-  const stats = await getStats.bind(this)();
+  const stats = await getStats(server.prisma, server.datasource, server.logger);
 
   await this.prisma.stats.create({
     data: {
diff --git a/src/server/util.ts b/src/server/util.ts
index 4c5bdcb..0fd990f 100644
--- a/src/server/util.ts
+++ b/src/server/util.ts
@@ -58,13 +58,11 @@ export function redirect(res: ServerResponse, url: string) {
   res.end();
 }
 
-export async function getStats(this: FastifyInstance) {
-  const logger = this.logger.child('stats');
-
-  const size = await this.datasource.fullSize();
+export async function getStats(prisma: PrismaClient, datasource: Datasource, logger: Logger) {
+  const size = await datasource.fullSize();
   logger.debug(`full size: ${size}`);
 
-  const byUser = await this.prisma.image.groupBy({
+  const byUser = await prisma.image.groupBy({
     by: ['userId'],
     _count: {
       _all: true,
@@ -72,7 +70,7 @@ export async function getStats(this: FastifyInstance) {
   });
   logger.debug(`by user: ${JSON.stringify(byUser)}`);
 
-  const count_users = await this.prisma.user.count();
+  const count_users = await prisma.user.count();
   logger.debug(`count users: ${count_users}`);
 
   const count_by_user = [];
@@ -82,7 +80,7 @@ export async function getStats(this: FastifyInstance) {
       continue;
     }
 
-    const user = await this.prisma.user.findFirst({
+    const user = await prisma.user.findFirst({
       where: {
         id: byUser[i].userId,
       },
@@ -95,17 +93,17 @@ export async function getStats(this: FastifyInstance) {
   }
   logger.debug(`count by user: ${JSON.stringify(count_by_user)}`);
 
-  const count = await this.prisma.image.count();
+  const count = await prisma.image.count();
   logger.debug(`count files: ${JSON.stringify(count)}`);
 
-  const views = await this.prisma.image.aggregate({
+  const views = await prisma.image.aggregate({
     _sum: {
       views: true,
     },
   });
   logger.debug(`sum views: ${JSON.stringify(views)}`);
 
-  const typesCount = await this.prisma.image.groupBy({
+  const typesCount = await prisma.image.groupBy({
     by: ['mimetype'],
     _count: {
       mimetype: true,