diff --git a/src/main/java/com/parkez/payment/service/PaymentService.java b/src/main/java/com/parkez/payment/service/PaymentService.java
index 346d2c5d..ccd14ca8 100644
--- a/src/main/java/com/parkez/payment/service/PaymentService.java
+++ b/src/main/java/com/parkez/payment/service/PaymentService.java
@@ -24,12 +24,14 @@
 import com.parkez.user.domain.entity.User;
 import com.parkez.user.service.UserReader;
 import lombok.RequiredArgsConstructor;
+import lombok.extern.slf4j.Slf4j;
 import org.springframework.stereotype.Service;
 import org.springframework.web.reactive.function.client.WebClient;
 
 import java.time.LocalDateTime;
 import java.util.List;
 
+@Slf4j
 @Service
 @RequiredArgsConstructor
 public class PaymentService {
diff --git a/src/main/java/com/parkez/reservation/domain/repository/ReservationRepository.java b/src/main/java/com/parkez/reservation/domain/repository/ReservationRepository.java
index 37da53b2..4ce55cf6 100644
--- a/src/main/java/com/parkez/reservation/domain/repository/ReservationRepository.java
+++ b/src/main/java/com/parkez/reservation/domain/repository/ReservationRepository.java
@@ -94,4 +94,13 @@ List<Reservation> findExpiredReservations(
     );
 
     Optional<Reservation> findByParkingZone_IdAndStartDateTimeAndEndDateTime(Long parkingZoneId, LocalDateTime startDateTime, LocalDateTime endDateTime);
-}
+
+    @Query("""
+            SELECT r
+            FROM Reservation r
+            JOIN FETCH r.user
+            JOIN FETCH r.parkingZone
+            WHERE r.id = :id
+    """)
+    Optional<Reservation> findByIdWithUserAndParkingZone(@Param("id") Long reservationId);
+}
\ No newline at end of file
diff --git a/src/main/java/com/parkez/reservation/service/ReservationReader.java b/src/main/java/com/parkez/reservation/service/ReservationReader.java
index 6d3cce5f..6780b555 100644
--- a/src/main/java/com/parkez/reservation/service/ReservationReader.java
+++ b/src/main/java/com/parkez/reservation/service/ReservationReader.java
@@ -37,7 +37,7 @@ public Page<ReservationWithReviewDto> findMyReservations(Long userId, PageReques
 
     public Reservation findMyReservation(Long userId, Long reservationId) {
 
-        Reservation reservation = reservationRepository.findById(reservationId).orElseThrow(
+        Reservation reservation = reservationRepository.findByIdWithUserAndParkingZone(reservationId).orElseThrow(
                 () -> new ParkingEasyException(ReservationErrorCode.NOT_FOUND_RESERVATION)
         );
 
diff --git a/src/test/java/com/parkez/reservation/service/ReservationReaderTest.java b/src/test/java/com/parkez/reservation/service/ReservationReaderTest.java
index cbea4df1..a20c418f 100644
--- a/src/test/java/com/parkez/reservation/service/ReservationReaderTest.java
+++ b/src/test/java/com/parkez/reservation/service/ReservationReaderTest.java
@@ -119,7 +119,7 @@ class GetReservationByUserId {
 
             Reservation reservation = createReservation(reservationId, user);
 
-            given(reservationRepository.findById(anyLong())).willReturn(Optional.of(reservation));
+            given(reservationRepository.findByIdWithUserAndParkingZone(anyLong())).willReturn(Optional.of(reservation));
 
             // when
             Reservation result = reservationReader.findMyReservation(userId, reservationId);
@@ -136,8 +136,6 @@ class GetReservationByUserId {
             Long userId = 1L;
             Long reservationId = -1L;
 
-            given(reservationRepository.findById(anyLong())).willReturn(Optional.empty());
-
             // when & then
             ParkingEasyException exception = assertThrows(ParkingEasyException.class,
                     () -> reservationReader.findMyReservation(userId, reservationId));
@@ -155,7 +153,7 @@ class GetReservationByUserId {
 
             Reservation reservation = createReservation(reservationId, differentUser);
 
-            given(reservationRepository.findById(anyLong())).willReturn(Optional.of(reservation));
+            given(reservationRepository.findByIdWithUserAndParkingZone(anyLong())).willReturn(Optional.of(reservation));
 
             // when & then
             ParkingEasyException exception = assertThrows(ParkingEasyException.class,