diff --git a/src/domain/session/settings/SettingsViewModel.js b/src/domain/session/settings/SettingsViewModel.js
index 7120f5fb..1f676bb3 100644
--- a/src/domain/session/settings/SettingsViewModel.js
+++ b/src/domain/session/settings/SettingsViewModel.js
@@ -28,6 +28,9 @@ class PushNotificationStatus {
 }
 
 function formatKey(key) {
+    if (!key) {
+        return null;
+    }
     const partLength = 4;
     const partCount = Math.ceil(key.length / partLength);
     let formattedKey = "";