diff --git a/src/modules/06_retirement/components/DialogFormResign.vue b/src/modules/06_retirement/components/DialogFormResign.vue
index 45d17cfa4..91878abcb 100644
--- a/src/modules/06_retirement/components/DialogFormResign.vue
+++ b/src/modules/06_retirement/components/DialogFormResign.vue
@@ -71,7 +71,7 @@ function onSubmit() {
       const payload = {
         ...formData,
         activeDate: convertDateToAPI(formData.activeDate),
-        sendDate: convertDatetimeToAPI(formData.sendDate),
+        sendDate: convertDateToAPI(formData.sendDate),
         remark: formData.reasonResign === "OTHER" ? formData.remark : undefined,
       };