diff --git a/webui/index.html b/webui/index.html
index b379779..6e1a208 100644
--- a/webui/index.html
+++ b/webui/index.html
@@ -15,7 +15,7 @@
 		<h1>Uncomplicated Alert Receiver</h1>
 		<progress id = "next-update" value = "0" max = "30" title = "Time until next update"></progress>
 		<span id = "last-updated" class = "critical">
-			Nothing received yet
+			Never updated
 		</span>
 		<a href = "https://github.com/jamesread/uncomplicated-alert-receiver" target = "_blank" class = "aside">
 			<img src = "images/icons/github.svg" alt = "GitHub Logo">
diff --git a/webui/js/main.js b/webui/js/main.js
index a7fbdfa..a154bc1 100644
--- a/webui/js/main.js
+++ b/webui/js/main.js
@@ -41,6 +41,9 @@ function fetchAlertList () {
       }
 
       renderLastUpdated(res)
+    }).catch(error => {
+      document.getElementById('last-updated').textContent = 'Fetch error'
+      document.getElementById('last-updated').classList.add('critical')
     })
 }
 
@@ -55,12 +58,14 @@ function renderLastUpdated (res) {
 
     if (deltaLastUpdated < -100) {
       document.getElementById('last-updated').classList.add('critical')
-
     } else if (deltaLastUpdated > 0) {
       document.getElementById('last-updated').classList.add('info')
     } else {
       document.getElementById('last-updated').classList.remove('critical')
     }
+  } else if (res.LastUpdated === 0) {
+    document.getElementById('last-updated').textContent = 'Nothing received yet'
+    document.getElementById('last-updated').classList.add('critical')
   }
 }