diff --git a/index.js b/index.js
index b2a8ae2..48e6cc3 100644
--- a/index.js
+++ b/index.js
@@ -488,7 +488,7 @@ app.get("/api/v1/admin/callLogs", (req, res) => {
 						// handle Dates and null/undefined safely, otherwise coerce to string.
 						switch (key) {
 							case 'timestamp':
-								newRow[key] = new Date(row[key]).toISOString();
+								newRow[key] = new Date(Number(row[key])).toISOString();
 								break;
 							case 'success':
 								newRow[key] = Boolean(row[key]);