diff --git a/packages/client/src/components/MkDialog.vue b/packages/client/src/components/MkDialog.vue
index 31c98d8520..d0d42ac037 100644
--- a/packages/client/src/components/MkDialog.vue
+++ b/packages/client/src/components/MkDialog.vue
@@ -290,7 +290,7 @@ function formatDateToYYYYMMDD(date) {
 	const year = date.getFullYear();
 	const month = ("0" + (date.getMonth() + 1)).slice(-2);
 	const day = ("0" + date.getDate()).slice(-2);
-	return `${year}${month}${day}`;
+	return `${year}-${month}-${day}`;
 }
 
 async function openSearchFilters(ev) {