diff --git a/src/sagas/nanoContract.js b/src/sagas/nanoContract.js
index d6e00302..a37fe2b2 100644
--- a/src/sagas/nanoContract.js
+++ b/src/sagas/nanoContract.js
@@ -20,7 +20,7 @@ import {
 import nanoUtils from '../utils/nanoContracts';
 import { NANO_CONTRACT_DETAIL_STATUS } from '../constants';
 
-import { all, call, put, select, takeEvery } from 'redux-saga/effects';
+import { all, call, delay, put, select, takeEvery } from 'redux-saga/effects';
 
 export const NANOCONTRACT_REGISTER_STATUS = {
   LOADING: 'loading',