diff --git a/services/sitempas/extractUrlsFromSearch.ts b/services/sitempas/extractUrlsFromSearch.ts
index 48186923..760cae49 100644
--- a/services/sitempas/extractUrlsFromSearch.ts
+++ b/services/sitempas/extractUrlsFromSearch.ts
@@ -8,12 +8,7 @@ import {Identifier} from "../../explore/src/app/openaireLibrary/utils/string-uti
 import {SearchFields} from "../../explore/src/app/openaireLibrary/utils/properties/searchFields";
 import {ContextsService} from "../../explore/src/app/openaireLibrary/claims/claim-utils/service/contexts.service";
 
-let express = require('express');
-let app = express();
 const request = require('superagent');
-const URL = require('url');
-let cors = require('cors');
-app.use(cors());
 
 function get(resultsPerUrl) {
   setTimeout(() => {
@@ -208,13 +203,14 @@ function getUrlByType(type: any, pid: any, id: any) {
 
 function getCommunities() {
   communitiesPromise = new Promise((resolve, reject) => {
-    resolve();
     request.get(contextUrl, async function (err: any, communitiesResponse: any) {
       if (!communitiesResponse && err) {
         console.error("Error getting communities ", err);
+        reject();
       } else {
         const contextsService = new ContextsService();
         publicCommunities = contextsService.parseCommunities(communitiesResponse.body, false).map(value => value.id);
+        resolve();
       }
     })
   });
@@ -224,8 +220,8 @@ function buildSiteMap(resultsPerUrl) {
   console.time("total_time");
 
   let date = new Date();
-  fileName = "sitemap_"+date.getFullYear()+"_"+date.getMonth()+"_"+date.getDate()+".xml";//+"_"+date.getTime();
-  errorFileName = "error_"+date.getFullYear()+"_"+date.getMonth()+"_"+date.getDate();//+"_"+date.getTime();
+  fileName = "sitemap_"+date.getFullYear()+"_"+(date.getMonth()+1)+"_"+date.getDate()+".xml";//+"_"+date.getTime();
+  errorFileName = "error_"+date.getFullYear()+"_"+(date.getMonth()+1)+"_"+date.getDate()+".txt";//+"_"+date.getTime();
   console.log("Buiding sitemap in file: "+fileName+"\n");
 
   let sitemap = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" +
diff --git a/services/sitempas/package.json b/services/sitempas/package.json
index 705892e0..7ca9a467 100644
--- a/services/sitempas/package.json
+++ b/services/sitempas/package.json
@@ -7,8 +7,6 @@
     "start": "PORT=3100 node extractUrlsFromSearch.js"
   },
   "dependencies": {
-    "cors": "^2.8.5",
-    "express": "^4.17.1",
     "superagent": "^5.0.5"
   },
   "devDependencies": {
diff --git a/services/sitempas/tsconfig.json b/services/sitempas/tsconfig.json
index ff2d82a7..05dba857 100644
--- a/services/sitempas/tsconfig.json
+++ b/services/sitempas/tsconfig.json
@@ -4,6 +4,10 @@
       "node_modules/@types"
     ],
     "noImplicitAny": false,
+    "lib": [
+      "es2017",
+      "dom"
+    ],
     "emitDecoratorMetadata": true,
     "experimentalDecorators": true
   }