diff --git a/src/public/app/widgets/type_widgets/options/time_selector.ts b/src/public/app/widgets/type_widgets/options/time_selector.ts
index 49c149f75..d364cb095 100644
--- a/src/public/app/widgets/type_widgets/options/time_selector.ts
+++ b/src/public/app/widgets/type_widgets/options/time_selector.ts
@@ -116,8 +116,7 @@ export default class TimeSelector extends OptionsWidget {
 
     handleTimeValidation() {
         if (this.$timeValueInput.is(":invalid")) {
-            // TriliumNextTODO: i18n
-            toastService.showMessage("The entered time value is not a valid number.");
+            toastService.showMessage(t("time_selector.invalid_input"));
             return false
         }
         return true;
diff --git a/src/public/translations/en/translation.json b/src/public/translations/en/translation.json
index 392ea89ae..636b3732a 100644
--- a/src/public/translations/en/translation.json
+++ b/src/public/translations/en/translation.json
@@ -1655,5 +1655,8 @@
     "minutes": "Minutes",
     "hours": "Hours",
     "days": "Days"
+  },
+  "time_selector": {
+    "invalid_input": "The entered time value is not a valid number."
   }
 }