diff --git a/backend-node/src/database/OracleConnector.ts b/backend-node/src/database/OracleConnector.ts
index a4e97333..82f0bf05 100644
--- a/backend-node/src/database/OracleConnector.ts
+++ b/backend-node/src/database/OracleConnector.ts
@@ -111,10 +111,10 @@ export class OracleConnector implements DatabaseConnector {
       // 🔥 COMMIT/ROLLBACK 명령은 직접 실행
       if (isCOMMIT || isROLLBACK) {
         if (isCOMMIT) {
-          await this.connection!.commit();
+          await (this.connection as any).commit();
           console.log("✅ Oracle COMMIT 실행됨");
         } else {
-          await this.connection!.rollback();
+          await (this.connection as any).rollback();
           console.log("⚠️ Oracle ROLLBACK 실행됨");
         }
         return {