diff --git a/backend/services/mpc-service/src/application/services/mpc-coordinator.service.ts b/backend/services/mpc-service/src/application/services/mpc-coordinator.service.ts
index 9cf714b3..c4734811 100644
--- a/backend/services/mpc-service/src/application/services/mpc-coordinator.service.ts
+++ b/backend/services/mpc-service/src/application/services/mpc-coordinator.service.ts
@@ -123,7 +123,7 @@ export class MPCCoordinatorService {
     private readonly httpService: HttpService,
     private readonly prisma: PrismaService,
   ) {
-    this.mpcSystemUrl = this.configService.get<string>('MPC_SYSTEM_URL', 'http://localhost:4000');
+    this.mpcSystemUrl = this.configService.get<string>('MPC_ACCOUNT_SERVICE_URL', 'http://localhost:4000');
     this.mpcApiKey = this.configService.get<string>('MPC_API_KEY', 'test-api-key');
   }