diff --git a/backend/src/main/java/develup/mission/MissionService.java b/backend/src/main/java/develup/mission/MissionService.java
index 99a2dde1..802cb720 100644
--- a/backend/src/main/java/develup/mission/MissionService.java
+++ b/backend/src/main/java/develup/mission/MissionService.java
@@ -32,7 +32,7 @@ public MissionResponse getMissionById(Long missionId, Member member, boolean gue
         }
 
         return submissionRepository.findFirstByMember_IdAndMission_IdOrderByIdDesc(member.getId(), missionId)
-                .map(submission -> MissionResponse.from(mission, true, submission.getUrl()))
+                .map(submission -> MissionResponse.of(mission, true, submission.getUrl()))
                 .orElseGet(() -> MissionResponse.from(mission));
     }
 }
diff --git a/backend/src/test/java/develup/mission/MissionServiceTest.java b/backend/src/test/java/develup/mission/MissionServiceTest.java
index 137a35f2..b3f7dd41 100644
--- a/backend/src/test/java/develup/mission/MissionServiceTest.java
+++ b/backend/src/test/java/develup/mission/MissionServiceTest.java
@@ -73,7 +73,7 @@ void getMissionByIdWhenSubmitted() {
 
         MissionResponse response = missionService.getMissionById(mission.getId(), member, false);
 
-        assertThat(response).isEqualTo(MissionResponse.from(mission, true, submittedPrUrl));
+        assertThat(response).isEqualTo(MissionResponse.of(mission, true, submittedPrUrl));
     }
 
     @Test