diff --git a/index.js b/index.js
index e20f8ff..e60d0f3 100644
--- a/index.js
+++ b/index.js
@@ -3,6 +3,11 @@ const fs = require('fs');
 const path = require('path')
 var LdapAuth = require('ldapauth-fork');
 
+var prankPath = "prankdata.txt";
+if (!fs.existsSync(prankPath)) {
+    fs.writeFileSync(prankPath, "{}");
+}
+
 let PrankData = JSON.parse(fs.readFileSync("prankdata.txt"));
 let AdminUsersUid = ["asyncnomi", "johan", "enthalpine", "fas", "arina", "billy", "remi", "pierre", "", "", "", ""];
 let UsersToken = {};
@@ -241,7 +246,7 @@ fastify.post('/getPrank', async (request, reply) => {
 
 
 function saveData() {
-  fs.writeFileSync('prankdata.txt', JSON.stringify(PrankData));
+  fs.writeFileSync(prankPath, JSON.stringify(PrankData));
 }
 
 function authenticate(user, pwd) {
@@ -342,7 +347,7 @@ function makeid(length) {
 
 const start = async () => {
     try {
-        await fastify.listen({ port: 3000 })
+        await fastify.listen({ port: 80 })
     } catch (err) {
         fastify.log.error(err)
         LDAP.close(function(err) {