diff --git a/frontend/src/controllers/students.ts b/frontend/src/controllers/students.ts
index f74f02da..82fb2831 100644
--- a/frontend/src/controllers/students.ts
+++ b/frontend/src/controllers/students.ts
@@ -70,7 +70,7 @@ export class StudentController extends BaseController {
     }
 
     async createJoinRequest(username: string, classId: string): Promise<JoinRequestResponse> {
-        return this.post<JoinRequestResponse>(`/${username}/joinRequests}`, classId);
+        return this.post<JoinRequestResponse>(`/${username}/joinRequests}`, { classId });
     }
 
     async deleteJoinRequest(username: string, classId: string): Promise<JoinRequestResponse> {