diff --git a/app/config/appConfig.js b/app/config/appConfig.js
index 1ed59a3..411e6ff 100644
--- a/app/config/appConfig.js
+++ b/app/config/appConfig.js
@@ -41,6 +41,10 @@ const PROSTOR_LOGIN = {
   PASSWORD: process.env.PROSTOR_LOGIN_PASS
 };
 
+const USER_AGENT =
+  process.env.USER_AGENT ||
+  "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36";
+
 module.exports = {
   APP_PORT,
   APP_URL,
@@ -54,5 +58,6 @@ module.exports = {
   API_MAP_KEY,
   STAGING,
   CHECK_UP_DAYS,
-  PROSTOR_LOGIN
+  PROSTOR_LOGIN,
+  USER_AGENT
 };
diff --git a/app/crawler/specificCrawlers/aktido.js b/app/crawler/specificCrawlers/aktido.js
index 74bcba7..9755eb7 100644
--- a/app/crawler/specificCrawlers/aktido.js
+++ b/app/crawler/specificCrawlers/aktido.js
@@ -1,6 +1,6 @@
 "use strict";
 
-const fetch = require("node-fetch");
+const fetch = require("../../helpers/fetchWrapper");
 const cheerio = require("cheerio");
 const Promise = require("bluebird");
 const moment = require("moment-timezone");
diff --git a/app/crawler/specificCrawlers/olx.js b/app/crawler/specificCrawlers/olx.js
index ede9734..1e3d63a 100644
--- a/app/crawler/specificCrawlers/olx.js
+++ b/app/crawler/specificCrawlers/olx.js
@@ -1,6 +1,6 @@
 "use strict";
 
-const fetch = require("node-fetch");
+const fetch = require("../../helpers/fetchWrapper");
 const cheerio = require("cheerio");
 const Promise = require("bluebird");
 const moment = require("moment-timezone");
diff --git a/app/crawler/specificCrawlers/prostor.js b/app/crawler/specificCrawlers/prostor.js
index 104d5d0..5690a4b 100644
--- a/app/crawler/specificCrawlers/prostor.js
+++ b/app/crawler/specificCrawlers/prostor.js
@@ -1,6 +1,6 @@
 "use strict";
 
-const fetch = require("node-fetch");
+const fetch = require("../../helpers/fetchWrapper");
 const cheerio = require("cheerio");
 const moment = require("moment-timezone");
 const FormData = require("form-data");
diff --git a/app/crawler/specificCrawlers/rental.js b/app/crawler/specificCrawlers/rental.js
index 39eb1c5..ed37e83 100644
--- a/app/crawler/specificCrawlers/rental.js
+++ b/app/crawler/specificCrawlers/rental.js
@@ -1,6 +1,6 @@
 "use strict";
 
-const fetch = require("node-fetch");
+const fetch = require("../../helpers/fetchWrapper");
 const cheerio = require("cheerio");
 const Promise = require("bluebird");
 const moment = require("moment-timezone");
@@ -399,7 +399,9 @@ class RentalCrawler {
         );
         if (!publishedDateMoment.isValid()) {
           throw {
-            message: `Invalid published date : ${extractedData["re_realEstates_inserted"]}`
+            message: `Invalid published date : ${
+              extractedData["re_realEstates_inserted"]
+            }`
           };
         }
 
@@ -410,7 +412,9 @@ class RentalCrawler {
         );
         if (!renewedDateMoment.isValid()) {
           throw {
-            message: `Invalid renewed date : ${extractedData["re_realEstates_edited"]}`
+            message: `Invalid renewed date : ${
+              extractedData["re_realEstates_edited"]
+            }`
           };
         }
 
diff --git a/app/crawler/specificCrawlers/saljic.js b/app/crawler/specificCrawlers/saljic.js
index 2eef7cc..9914f35 100644
--- a/app/crawler/specificCrawlers/saljic.js
+++ b/app/crawler/specificCrawlers/saljic.js
@@ -1,6 +1,6 @@
 "use strict";
 
-const fetch = require("node-fetch");
+const fetch = require("../../helpers/fetchWrapper");
 const cheerio = require("cheerio");
 const moment = require("moment-timezone");
 
diff --git a/app/helpers/fetchWrapper.js b/app/helpers/fetchWrapper.js
new file mode 100644
index 0000000..1d9b198
--- /dev/null
+++ b/app/helpers/fetchWrapper.js
@@ -0,0 +1,13 @@
+const nodeFetch = require("node-fetch");
+const { USER_AGENT } = require("../config/appConfig");
+
+const fetch = async (url, options = {}) => {
+  const newOptions = Object.assign({}, options);
+  if (!newOptions["headers"]) {
+    newOptions["headers"] = {};
+  }
+  newOptions["headers"]["User-Agent"] = USER_AGENT;
+  return nodeFetch(url, newOptions);
+};
+
+module.exports = fetch;
diff --git a/app/models/searchRequest.js b/app/models/searchRequest.js
index 0d4997f..8ef9b90 100644
--- a/app/models/searchRequest.js
+++ b/app/models/searchRequest.js
@@ -15,15 +15,7 @@ module.exports = (sequelize, DataTypes) => {
       allowNull: false,
       defaultValue: {
         type: "Polygon",
-        coordinates: [
-          [
-            [0, 0],
-            [0, 0],
-            [0, 0],
-            [0, 0],
-            [0, 0]
-          ]
-        ],
+        coordinates: [[[0, 0], [0, 0], [0, 0], [0, 0], [0, 0]]],
         crs: { type: "name", properties: { name: "EPSG:4326" } }
       }
     },
diff --git a/app/services/notificationService.js b/app/services/notificationService.js
index a005f84..bb649ea 100644
--- a/app/services/notificationService.js
+++ b/app/services/notificationService.js
@@ -131,7 +131,7 @@ const notifyRequestsWithDailyOption = async () => {
 };
 
 const checkUpNotify = async () => {
- /* const searchRequestsForCheckUp = await findAllRequestsForCheckUp();
+  /* const searchRequestsForCheckUp = await findAllRequestsForCheckUp();
 
   const asyncSendEmailActions = [];
 
@@ -144,7 +144,7 @@ const checkUpNotify = async () => {
     asyncSendEmailActions.push(sendEmailPromise);
     sendEmailPromise.catch(err => console.log("[Email Sending Failed]", err));
   }
-  await Promise.all(asyncSendEmailActions); */ 
+  await Promise.all(asyncSendEmailActions); */
 };
 
 module.exports = {
diff --git a/development.env b/development.env
index 683fe65..bc1cc92 100644
--- a/development.env
+++ b/development.env
@@ -10,6 +10,7 @@ APP_BASE_URL=base url for the app
 
 ENVIRONMENT=Variable to denote development, staging and production
 
+USER_AGENT=User agent header to send in fetch requests
 
 MAX_REAL_ESTATES_IN_EMAIL=Max number of real estates that will be shown in email, others will be truncated and URL with full list will be shwon
 MAX_REAL_ESTATES_IN_FIRST_EMAIL=Max number of real estates that will be shown in first (welcome) email
@@ -69,4 +70,4 @@ AKTIDO_FORCE_CRAWL=Non-zero value will force crawler to crawl all pages without
 SALJIC_MAX_RESULTS_PER_PAGE=For Saljic crawler, this represents how many ads are crawled at once
 SALJIC_CRAWLER_AD_TYPE=enum name of what type of ads should be crawled, check common/enums.js file for valid values
 SALJIC_CRAWLER_AD_CATEGORIES=comma separated list of enum names of categories to be included, check common/enums.js file for valid values
-SALJIC_FORCE_CRAWL=Non-zero value will force crawler to crawl all pages without stopping when known real estate is found
\ No newline at end of file
+SALJIC_FORCE_CRAWL=Non-zero value will force crawler to crawl all pages without stopping when known real estate is found