diff --git a/backend/src/main/java/com/twtw/backend/domain/plan/mapper/PlanMapper.java b/backend/src/main/java/com/twtw/backend/domain/plan/mapper/PlanMapper.java
index 7ed064b6..46483df1 100644
--- a/backend/src/main/java/com/twtw/backend/domain/plan/mapper/PlanMapper.java
+++ b/backend/src/main/java/com/twtw/backend/domain/plan/mapper/PlanMapper.java
@@ -39,14 +39,11 @@ PlanInfoResponse toPlanInfoResponse(
             GroupInfoResponse groupInfoResponse,
             List<MemberResponse> memberResponses);
 
-    @IterableMapping(elementTargetType = PlanInfoResponse.class)
-    List<PlanInfoResponse> toPlanInfoResponses(List<Plan> plans);
-
-    @IterableMapping(qualifiedByName = "toPlaceDetails")
+    @IterableMapping(qualifiedByName = "toPlaceDetail")
     List<PlaceDetails> toPlaceDetails(List<PlaceClientDetails> placeClientDetails);
 
-    @Named("toPlaceDetails")
+    @Named("toPlaceDetail")
     @Mapping(target = "longitude", source = "x")
     @Mapping(target = "latitude", source = "y")
-    PlaceDetails toPlaceDetails(PlaceClientDetails placeClientDetails);
+    PlaceDetails toPlaceDetail(PlaceClientDetails placeClientDetails);
 }
diff --git a/backend/src/main/java/com/twtw/backend/domain/plan/service/PlanService.java b/backend/src/main/java/com/twtw/backend/domain/plan/service/PlanService.java
index c3dc860d..561a81c2 100644
--- a/backend/src/main/java/com/twtw/backend/domain/plan/service/PlanService.java
+++ b/backend/src/main/java/com/twtw/backend/domain/plan/service/PlanService.java
@@ -99,6 +99,10 @@ public void outPlan(PlanMemberRequest request) {
     public PlanInfoResponse getPlanById(UUID id) {
         Plan plan = getPlanEntity(id);
 
+        return getPlanInfoResponse(plan);
+    }
+
+    private PlanInfoResponse getPlanInfoResponse(final Plan plan) {
         GroupInfoResponse groupInfo = groupService.getGroupInfoResponse(plan.getGroup());
         PlaceClientDetails placeDetails = placeService.getPlaceDetails(plan.getPlace());
 
@@ -122,7 +126,7 @@ public Plan getPlanEntity(UUID id) {
     public List<PlanInfoResponse> getPlans() {
         final Member member = authService.getMemberByJwt();
         final List<Plan> plans = planRepository.findAllByMember(member);
-        return planMapper.toPlanInfoResponses(plans);
+        return plans.stream().map(this::getPlanInfoResponse).toList();
     }
 
     public void updatePlan(final UpdatePlanRequest updatePlanRequest) {