diff --git a/src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponService.kt b/src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponService.kt
index b506c7c..8fa9f8e 100644
--- a/src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponService.kt
+++ b/src/main/kotlin/kr/co/vividnext/sodalive/can/coupon/CanCouponService.kt
@@ -44,7 +44,7 @@ class CanCouponService(
             ?: throw SodaException("잘못된 쿠폰번호입니다.\n고객센터로 문의해 주시기 바랍니다.")
 
         if (request.validity != null) {
-            val dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd hh:mm:ss")
+            val dateTimeFormatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")
             val validity = LocalDateTime.parse(request.validity, dateTimeFormatter)
                 .atZone(ZoneId.of("Asia/Seoul"))
                 .withZoneSameInstant(ZoneId.of("UTC"))