diff --git a/src/snek/static/message-list.js b/src/snek/static/message-list.js
index 67a12c2..1272281 100644
--- a/src/snek/static/message-list.js
+++ b/src/snek/static/message-list.js
@@ -53,8 +53,6 @@ class MessageListElement extends HTMLElement {
         return `just now`
     }
     timeDescription(isoDate) {
-        if (!isoDate.endsWith("Z"))
-            isoDate += "Z"
         const date = new Date(isoDate)
         const hours = String(date.getHours()).padStart(2, "0");
         const minutes = String(date.getMinutes()).padStart(2, "0");
@@ -170,4 +168,4 @@ class MessageListElement extends HTMLElement {
     }
 }
 
-customElements.define('message-list', MessageListElement);
\ No newline at end of file
+customElements.define('message-list', MessageListElement);