diff --git a/ts/WoltLabSuite/Core/Date/Picker.ts b/ts/WoltLabSuite/Core/Date/Picker.ts
index 213ace06d89..107ee687f0a 100644
--- a/ts/WoltLabSuite/Core/Date/Picker.ts
+++ b/ts/WoltLabSuite/Core/Date/Picker.ts
@@ -951,6 +951,7 @@ const DatePicker = {
     const data = _data.get(element) as DatePickerData;
 
     element.dataset.value = date.getTime().toString();
+    element.dataset.empty = "false";
 
     let format = "";
     let value: string;
diff --git a/wcfsetup/install/files/js/WoltLabSuite/Core/Date/Picker.js b/wcfsetup/install/files/js/WoltLabSuite/Core/Date/Picker.js
index caa9a0b78e7..bd4a30c5f68 100644
--- a/wcfsetup/install/files/js/WoltLabSuite/Core/Date/Picker.js
+++ b/wcfsetup/install/files/js/WoltLabSuite/Core/Date/Picker.js
@@ -799,6 +799,7 @@ define(["require", "exports", "tslib", "../Core", "./Util", "../Event/Handler",
             element = getElement(element);
             const data = _data.get(element);
             element.dataset.value = date.getTime().toString();
+            element.dataset.empty = "false";
             let format = "";
             let value;
             if (data.isDateTime) {