diff --git a/server/src/database/index.js b/server/src/database/index.js
index 92fb1ab..655f0eb 100644
--- a/server/src/database/index.js
+++ b/server/src/database/index.js
@@ -152,7 +152,8 @@ export async function getTestHar(id) {
 export async function testConnection(retries = 3, delay = 5000) {
   const test = 'SELECT 1 FROM sitespeed_io_test_runs';
   try {
-    const result = await DatabaseHelper.getInstance().query(test);
+    const databaseHelper = DatabaseHelper.getInstance();
+    const result = await databaseHelper.query(test);
     return result.rows[0];
   } catch (error) {
     logError('Could not get a connection to the database', error);