diff --git a/frontend/src/components/date/DatepickerWithValues.vue b/frontend/src/components/date/DatepickerWithValues.vue
index bf2000510..bb2525154 100644
--- a/frontend/src/components/date/DatepickerWithValues.vue
+++ b/frontend/src/components/date/DatepickerWithValues.vue
@@ -93,9 +93,8 @@ import {useFlatpickrLanguage} from '@/helpers/useFlatpickrLanguage'
 
 const props = withDefaults(defineProps<{
 	modelValue: string | Date | null,
-	open: boolean
+	open?: boolean
 }>(), {
-	modelValue: null,
 	open: false,
 })