diff --git a/src/main/java/com/labwork1/app/student/service/SessionService.java b/src/main/java/com/labwork1/app/student/service/SessionService.java
index 3597b7e..9088717 100644
--- a/src/main/java/com/labwork1/app/student/service/SessionService.java
+++ b/src/main/java/com/labwork1/app/student/service/SessionService.java
@@ -39,6 +39,12 @@ public class SessionService {
                 .orElseThrow(() -> new SessionNotFoundException(id));
     }
 
+    @Transactional(readOnly = true)
+    public Session findBaseSession(Long id) {
+        return sessionRepository.findById(id)
+                .orElseThrow(() -> new SessionNotFoundException(id));
+    }
+
     @Transactional(readOnly = true)
     public List<SessionExtension> findAllSessions() {
         return sessionRepository.getSessionsWithCapacity();
@@ -46,7 +52,7 @@ public class SessionService {
 
     @Transactional
     public Session updateSession(Long id, Double price) {
-        final Session currentSession = findSession(id);
+        final Session currentSession = findBaseSession(id);
         currentSession.setPrice(price);
         validatorUtil.validate(currentSession);
         return sessionRepository.save(currentSession);
@@ -54,7 +60,7 @@ public class SessionService {
 
     @Transactional
     public Session deleteSession(Long id) {
-        final Session currentSession = findSession(id);
+        final Session currentSession = findBaseSession(id);
         // все равно сеанс не удалился бы, который участвует в заказах
         // для отслеживания операции с ошибкой
         if (currentSession.getOrders().size() > 0)