diff --git a/dateroad-api/src/main/java/org/dateroad/course/service/CourseService.java b/dateroad-api/src/main/java/org/dateroad/course/service/CourseService.java
index 6ea8ae2d..95865641 100644
--- a/dateroad-api/src/main/java/org/dateroad/course/service/CourseService.java
+++ b/dateroad-api/src/main/java/org/dateroad/course/service/CourseService.java
@@ -246,7 +246,7 @@ public CourseGetDetailRes getCourseDetail(final Long userId, final Long courseId
 
         int likesCount = likeRepository.countByCourse(foundCourse);
 
-        boolean isCourseMine = courseRepository.existsByUserId(foundUser.getId());
+        boolean isCourseMine = courseRepository.existsCourseByUserId(foundUser.getId());
 
         boolean isUserLiked = false;
 
diff --git a/dateroad-domain/src/main/java/org/dateroad/date/repository/CourseRepository.java b/dateroad-domain/src/main/java/org/dateroad/date/repository/CourseRepository.java
index 87205dc2..3ab14260 100644
--- a/dateroad-domain/src/main/java/org/dateroad/date/repository/CourseRepository.java
+++ b/dateroad-domain/src/main/java/org/dateroad/date/repository/CourseRepository.java
@@ -15,7 +15,7 @@
 
 @Repository
 public interface CourseRepository extends JpaRepository<Course, Long> , JpaSpecificationExecutor<Course> {
-    boolean existsByUserId(Long userId);
+    boolean existsCourseByUserId(Long userId);
     @Modifying
     @Transactional
     @Query(value = "DELETE FROM courses WHERE course_id = :courseId", nativeQuery = true)