diff --git a/src/views/Settings/DateTime/DateTime.vue b/src/views/Settings/DateTime/DateTime.vue
index 4475a55..b723530 100644
--- a/src/views/Settings/DateTime/DateTime.vue
+++ b/src/views/Settings/DateTime/DateTime.vue
@@ -213,7 +213,7 @@
 import { helpers } from 'vuelidate/lib/validators';
 import { useI18n } from 'vue-i18n';
 
-const isoDateRegex = /([12]\d{3}-(0[1-9]|1[0-2])-(0[1-9]|[12]\d|3[01]))/;
+const isoDateRegex = /([12]\d{3}-(0[1-9]|1[0-2])-(0[1-9]|[12]\d|3[01])$)/;
 const isoTimeRegex = /^(0[0-9]|1[0-9]|2[0-3]):[0-5][0-9]$/;
 
 export default {