diff --git a/src/main/java/org/withtime/be/withtimebe/domain/date/converter/DateConverter.java b/src/main/java/org/withtime/be/withtimebe/domain/date/converter/DateConverter.java
index 9696f80..56ad6a4 100644
--- a/src/main/java/org/withtime/be/withtimebe/domain/date/converter/DateConverter.java
+++ b/src/main/java/org/withtime/be/withtimebe/domain/date/converter/DateConverter.java
@@ -26,7 +26,7 @@ public static DateCourseBookmark createDateCourseBookmark(DateCourse dateCourse,
     // DateCourseBookmark -> DateCourseBookmark ResponseDTO 생성
     public static DateResponseDTO.DateCourseBookmark createDateCourseBookmarkResponseDTO(DateCourseBookmark dateCourseBookmark) {
         return DateResponseDTO.DateCourseBookmark.builder()
-                .dateCourseId(dateCourseBookmark.getId())
+                .dateCourseId(dateCourseBookmark.getDateCourse().getId())
                 .build();
     }