diff --git a/buisnesslogic/src/main/java/com/plannaplan/repositories/CourseRepository.java b/buisnesslogic/src/main/java/com/plannaplan/repositories/CourseRepository.java
index 55227a1..0bc99eb 100644
--- a/buisnesslogic/src/main/java/com/plannaplan/repositories/CourseRepository.java
+++ b/buisnesslogic/src/main/java/com/plannaplan/repositories/CourseRepository.java
@@ -9,6 +9,6 @@ import org.springframework.stereotype.Repository;
 
 @Repository
 public interface CourseRepository extends JpaRepository<Course, Long> {
-    @Query(value = "SELECT * FROM course WHERE name = :name", nativeQuery = true)
+    @Query("FROM Course WHERE name = ?1")
     Course findByName(@Param("name") String name);
 }
\ No newline at end of file
diff --git a/buisnesslogic/src/main/java/com/plannaplan/repositories/GroupRepository.java b/buisnesslogic/src/main/java/com/plannaplan/repositories/GroupRepository.java
index 08e607d..582b16f 100644
--- a/buisnesslogic/src/main/java/com/plannaplan/repositories/GroupRepository.java
+++ b/buisnesslogic/src/main/java/com/plannaplan/repositories/GroupRepository.java
@@ -11,10 +11,10 @@ import org.springframework.stereotype.Repository;
 
 @Repository
 public interface GroupRepository extends JpaRepository<Groups, Long> {
-    @Query(value = "SELECT * FROM groups WHERE time = :time AND room = :room AND capacity = :capacity ", nativeQuery = true)
+    @Query("FROM Groups WHERE time = ?1 AND room = ?2 AND capacity = ?3")
     Groups find(@Param("time") int time, @Param("room") String room, @Param("capacity") int capacity);
 
-    @Query(value = "SELECT * FROM groups WHERE course_id = :id", nativeQuery = true)
+    @Query("FROM Groups WHERE course_id = ?1")
     List<Groups> getByCourse(@Param("id") Long id);
 
 }
\ No newline at end of file
diff --git a/buisnesslogic/src/main/java/com/plannaplan/repositories/LecturerRepository.java b/buisnesslogic/src/main/java/com/plannaplan/repositories/LecturerRepository.java
index 7f0516b..1115ea9 100644
--- a/buisnesslogic/src/main/java/com/plannaplan/repositories/LecturerRepository.java
+++ b/buisnesslogic/src/main/java/com/plannaplan/repositories/LecturerRepository.java
@@ -9,6 +9,6 @@ import org.springframework.stereotype.Repository;
 
 @Repository
 public interface LecturerRepository extends JpaRepository<Lecturer, Long> {
-    @Query(value = "SELECT * FROM lecturer WHERE name = :name AND surname = :surname AND title = :title ", nativeQuery = true)
+    @Query("FROM Lecturer WHERE title = ?1 AND name = ?2 AND surname = ?3")
     Lecturer find(@Param("title") String title, @Param("name") String name, @Param("surname") String surname);
 }
\ No newline at end of file