diff --git a/gui/default/assets/lang/lang-en.json b/gui/default/assets/lang/lang-en.json
index 354437cd5..4a34c972f 100644
--- a/gui/default/assets/lang/lang-en.json
+++ b/gui/default/assets/lang/lang-en.json
@@ -545,6 +545,7 @@
             "light": "Light"
         }
     },
+    "unknown device": "unknown device",
     "{%device%} wants to share folder \"{%folder%}\".": "{{device}} wants to share folder \"{{folder}}\".",
     "{%device%} wants to share folder \"{%folderlabel%}\" ({%folder%}).": "{{device}} wants to share folder \"{{folderlabel}}\" ({{folder}}).",
     "{%reintroducer%} might reintroduce this device.": "{{reintroducer}} might reintroduce this device."
diff --git a/gui/default/syncthing/core/syncthingController.js b/gui/default/syncthing/core/syncthingController.js
index 6b4d18ab7..bc04e8fe2 100755
--- a/gui/default/syncthing/core/syncthingController.js
+++ b/gui/default/syncthing/core/syncthingController.js
@@ -1378,7 +1378,7 @@ angular.module('syncthing.core')
         $scope.thisDeviceName = function () {
             var device = $scope.thisDevice();
             if (typeof device === 'undefined') {
-                return "(unknown device)";
+                return '(' + $translate.instant("unknown device") + ')';
             }
             if (device.name) {
                 return device.name;