diff --git a/src/main/java/com/cmc/mercury/global/oauth/handler/OAuth2SuccessHandler.java b/src/main/java/com/cmc/mercury/global/oauth/handler/OAuth2SuccessHandler.java
index e46bb78..bf7cc81 100644
--- a/src/main/java/com/cmc/mercury/global/oauth/handler/OAuth2SuccessHandler.java
+++ b/src/main/java/com/cmc/mercury/global/oauth/handler/OAuth2SuccessHandler.java
@@ -71,6 +71,7 @@ public void onAuthenticationSuccess(HttpServletRequest request, HttpServletRespo
                 .queryParam("access_token", accessToken)
                 .queryParam("refresh_token", refreshToken)
                 .queryParam("isNewUser", isNewUser)
+                .queryParam("oauthType", user.getOauthType())
                 .build(true).toUriString();
 
         getRedirectStrategy().sendRedirect(request, response, targetUrl);