diff --git a/src/cloudron.js b/src/cloudron.js
index 750fb6695..0d3763f21 100644
--- a/src/cloudron.js
+++ b/src/cloudron.js
@@ -247,8 +247,9 @@ function checkUbuntuVersion(callback) {
     assert.strictEqual(typeof callback, 'function');
 
     const isXenial = fs.readFileSync('/etc/lsb-release', 'utf-8').includes('16.04');
+    if (!isXenial) return callback();
 
-    if (isXenial) notifications.alert(notifications.ALERT_UPDATE_UBUNTU, 'Ubuntu Upgrade Required', 'Ubuntu 16.04 has reached end of life and will not receive security and maintenance updates. Please follow https://docs.cloudron.io/guides/upgrade-ubuntu-18/ to upgrade to Ubuntu 18 at the earliest.', callback);
+    notifications.alert(notifications.ALERT_UPDATE_UBUNTU, 'Ubuntu Upgrade Required', 'Ubuntu 16.04 has reached end of life and will not receive security and maintenance updates. Please follow https://docs.cloudron.io/guides/upgrade-ubuntu-18/ to upgrade to Ubuntu 18 at the earliest.', callback);
 }
 
 function getLogs(unit, options, callback) {