diff --git a/static/scripts/relativetime.js b/static/scripts/relativetime.js
index cc7cad6..e089345 100644
--- a/static/scripts/relativetime.js
+++ b/static/scripts/relativetime.js
@@ -2,9 +2,11 @@
 
 Array.from(document.getElementsByClassName("relative-timestamp")).forEach(
   function (timestamp) {
-    timestamp.innerText = new Intl.DateTimeFormat(undefined, {
-      dateStyle: "long",
-      timeStyle: "short",
-    }).format(new Date(timestamp.dateTime));
+    if (timestamp?.dateTime) {
+      timestamp.innerText = new Intl.DateTimeFormat(undefined, {
+        dateStyle: "long",
+        timeStyle: "short",
+      }).format(new Date(timestamp.dateTime));
+    }
   }
 );