diff --git a/src/main/java/com/thirdparty/ticketing/domain/seat/service/SeatService.java b/src/main/java/com/thirdparty/ticketing/domain/seat/service/SeatService.java
index 6d10d757..4f2e44b2 100644
--- a/src/main/java/com/thirdparty/ticketing/domain/seat/service/SeatService.java
+++ b/src/main/java/com/thirdparty/ticketing/domain/seat/service/SeatService.java
@@ -44,7 +44,7 @@ public ItemResult<SeatGradeElement> getSeatGrades(Long performanceId) {
         Performance performance =
                 performanceRepository
                         .findById(performanceId)
-                        .orElseThrow(() -> new TicketingException(("")));
+                        .orElseThrow(() -> new TicketingException(ErrorCode.NOT_FOUND_ZONE));
         List<SeatGradeElement> seatGrades =
                 seatGradeRepository.findAllByPerformance(performance).stream()
                         .map(SeatGradeElement::of)