diff --git a/src/main/java/ita/tinybite/domain/party/controller/PartyController.java b/src/main/java/ita/tinybite/domain/party/controller/PartyController.java
index 6acd6b1..33207c6 100644
--- a/src/main/java/ita/tinybite/domain/party/controller/PartyController.java
+++ b/src/main/java/ita/tinybite/domain/party/controller/PartyController.java
@@ -321,11 +321,12 @@ public ResponseEntity<PartyListResponse> getPartyList(
     public ResponseEntity<PartyDetailResponse> getPartyDetail(
             @PathVariable Long partyId,
             @RequestHeader("Authorization") String token,
-            @RequestBody UserLocation userLocation
+            @RequestParam(required = false) Double userLat,
+            @RequestParam(required = false) Double userLon
     ) {
         Long userId = jwtTokenProvider.getUserId(token);
 
-        PartyDetailResponse response = partyService.getPartyDetail(partyId, userId,userLocation);
+        PartyDetailResponse response = partyService.getPartyDetail(partyId, userId,userLat,userLon);
         return ResponseEntity.ok(response);
     }
 
diff --git a/src/main/java/ita/tinybite/domain/party/service/PartyService.java b/src/main/java/ita/tinybite/domain/party/service/PartyService.java
index 6639623..5cdad3f 100644
--- a/src/main/java/ita/tinybite/domain/party/service/PartyService.java
+++ b/src/main/java/ita/tinybite/domain/party/service/PartyService.java
@@ -182,7 +182,7 @@ public PartyListResponse getPartyList(Long userId, PartyCategory category) {
     /**
      * 파티 상세 조회
      */
-    public PartyDetailResponse getPartyDetail(Long partyId, Long userId, UserLocation userLocation) {
+    public PartyDetailResponse getPartyDetail(Long partyId, Long userId, Double userLat, Double userLon) {
         Party party = partyRepository.findById(partyId)
                 .orElseThrow(() -> new IllegalArgumentException("파티를 찾을 수 없습니다"));
 
@@ -200,10 +200,10 @@ public PartyDetailResponse getPartyDetail(Long partyId, Long userId, UserLocatio
 
         // 거리 계산 (사용자 위치 필요)
         double distance = 0.0;
-        if (validateLocation(user,userLocation,party)) {
+        if (validateLocation(user,userLat, userLon,party)) {
             distance = DistanceCalculator.calculateDistance(
-                    userLocation.getLatitude(),
-                    userLocation.getLongitude(),
+                    userLat,
+                    userLon,
                     party.getPickupLocation().getPickupLatitude(),
                     party.getPickupLocation().getPickupLongitude()
             );
@@ -212,10 +212,10 @@ public PartyDetailResponse getPartyDetail(Long partyId, Long userId, UserLocatio
         return convertToDetailResponse(party, distance, isParticipating);
     }
 
-    private boolean validateLocation(User user, UserLocation userLocation, Party party) {
+    private boolean validateLocation(User user, Double userLat, Double userLon, Party party) {
         return (user != null
-                && userLocation.getLatitude() != null
-                && userLocation.getLongitude()!= null
+                && userLat != null
+                && userLon!= null
                 && party.getPickupLocation().getPickupLatitude()!= null
                 && party.getPickupLocation().getPickupLongitude()!=null);
     }