diff --git a/src/main/java/inha/gdgoc/domain/user/controller/UserController.java b/src/main/java/inha/gdgoc/domain/user/controller/UserController.java
index fd36572..8a9f00a 100644
--- a/src/main/java/inha/gdgoc/domain/user/controller/UserController.java
+++ b/src/main/java/inha/gdgoc/domain/user/controller/UserController.java
@@ -31,9 +31,10 @@ public class UserController {
     // TODO 진짜 돌았냐? POST로 바꿔라
     @GetMapping("/auth/check")
     public ResponseEntity<ApiResponse<CheckDuplicatedEmailResponse, Void>> checkDuplicatedEmail(
-            @RequestBody CheckDuplicatedEmailRequest checkDuplicatedEmailRequest
+            @RequestParam String email
     ) {
-        CheckDuplicatedEmailResponse response = userService.isExistsByEmail(checkDuplicatedEmailRequest);
+        CheckDuplicatedEmailResponse response =
+                userService.isExistsByEmail(new CheckDuplicatedEmailRequest(email));
 
         return ResponseEntity.ok(ApiResponse.ok(USER_EMAIL_DUPLICATION_RETRIEVED_SUCCESS, response));
     }