diff --git a/src/main/java/com/cmc/mercury/global/oauth/service/CustomOAuth2UserService.java b/src/main/java/com/cmc/mercury/global/oauth/service/CustomOAuth2UserService.java
index 2058fb0..b01b724 100644
--- a/src/main/java/com/cmc/mercury/global/oauth/service/CustomOAuth2UserService.java
+++ b/src/main/java/com/cmc/mercury/global/oauth/service/CustomOAuth2UserService.java
@@ -112,7 +112,7 @@ public OAuth2User loadUser(OAuth2UserRequest userRequest) throws OAuth2Authentic
             // 반환된 DefaultOAuth2User는 나중에 @AuthenticationPrincipal로 받아서 필요한 정보를 꺼내 쓸 수 있음
             return new DefaultOAuth2User(
                     Collections.singleton(new SimpleGrantedAuthority("ROLE_USER")),
-                    oAuth2User.getAttributes(),
+                    userAttributes, // 기존 attributes 대신 isNewUser 포함된 attributes
                     userNameAttributeName);
 
         } catch (Exception e) {