diff --git a/src/public/app/widgets/type_widgets/content_widget.ts b/src/public/app/widgets/type_widgets/content_widget.ts
index 0e9f3ca22..617967248 100644
--- a/src/public/app/widgets/type_widgets/content_widget.ts
+++ b/src/public/app/widgets/type_widgets/content_widget.ts
@@ -39,6 +39,7 @@ import EditorOptions from "./options/text_notes/editor.js";
 import ShareSettingsOptions from "./options/other/share_settings.js";
 import type FNote from "../../entities/fnote.js";
 import type NoteContextAwareWidget from "../note_context_aware_widget.js";
+import { t } from "i18next";
 
 const TPL = `<div class="note-detail-content-widget note-detail-printable">
     <style>
@@ -119,7 +120,7 @@ export default class ContentWidgetTypeWidget extends TypeWidget {
                 await widget.refresh();
             }
         } else {
-            this.$content.append(`Unknown widget for "${note.noteId}"`);
+            this.$content.append(t("content_widget.unknown_widget", { id: note.noteId }));
         }
     }
 }
diff --git a/src/public/translations/en/translation.json b/src/public/translations/en/translation.json
index b334f03f3..67358f6b6 100644
--- a/src/public/translations/en/translation.json
+++ b/src/public/translations/en/translation.json
@@ -1682,5 +1682,8 @@
       "tomorrow": "Tomorrow",
       "yesterday": "Yesterday"
     }
+  },
+  "content_widget": {
+    "unknown_widget": "Unknown widget for \"{{id}}\"."
   }
 }
diff --git a/src/public/translations/ro/translation.json b/src/public/translations/ro/translation.json
index 9393f76db..b49822d81 100644
--- a/src/public/translations/ro/translation.json
+++ b/src/public/translations/ro/translation.json
@@ -1685,5 +1685,8 @@
       "tomorrow": "Mâine",
       "yesterday": "Ieri"
     }
+  },
+  "content_widget": {
+    "unknown_widget": "Nu s-a putut găsi widget-ul corespunzător pentru „{{id}}”."
   }
 }