diff --git a/index.js b/index.js
index a4b73a3..f67596f 100644
--- a/index.js
+++ b/index.js
@@ -53,7 +53,7 @@ async function queryScalarAsync(query, ...params) {
  * @returns {Promise<CallStats>}
  */
 async function getPreviousDayData() {
-    const [ callsYesterday, callsThisMonth, callsTotal ] = Promise.all([
+    const [ callsYesterday, callsThisMonth, callsTotal ] = await Promise.all([
         queryScalarAsync(`
             SELECT COUNT(DISTINCT uniqueid) AS call_count
             FROM cdr