diff --git a/api/src/routes/auth.ts b/api/src/routes/auth.ts
index c078585..ee9d6ac 100644
--- a/api/src/routes/auth.ts
+++ b/api/src/routes/auth.ts
@@ -10,10 +10,14 @@ import { Role } from '@app/shared/types/roles';
 import pool from '../db';
 import { requireLogin } from '../middleware/auth';
 import { getUserRoles } from '../services/rolesService';
-import { getUserState } from '../services/memberService';
+import { getUserState, mapDiscordtoID } from '../services/memberService';
 import { MemberState } from '@app/shared/types/member';
+import { toDateTime } from '@app/shared/utils/time';
 const querystring = require('querystring');
 
+function parseJwt(token) {
+    return JSON.parse(Buffer.from(token.split('.')[1], 'base64').toString());
+}
 
 passport.use(new OpenIDConnectStrategy({
     issuer: process.env.AUTH_ISSUER,
@@ -29,10 +33,11 @@ passport.use(new OpenIDConnectStrategy({
     console.log('--- OIDC verify() called ---');
     console.log('issuer:', issuer);
     console.log('sub:', sub);
-    console.log('params:', params);
+    // console.log('discord:', discord);
     console.log('profile:', profile);
-    console.log('id_token claims:', JSON.stringify(jwtClaims, null, 2));
-    console.log('preferred_username:', jwtClaims?.preferred_username);
+    console.log('jwt: ', parseJwt(jwtClaims));
+    console.log('params:', params);
+
 
     try {
         var con = await pool.getConnection();
@@ -47,14 +52,33 @@ passport.use(new OpenIDConnectStrategy({
             memberId = existing[0].id;
         } else {
             //otherwise: create account
-            const username = sub.username;
+            const jwt = parseJwt(jwtClaims);
+            const discordID = jwt.discord.id as number;
 
-            const result = await con.query(
-                `INSERT INTO members (name, authentik_sub, authentik_issuer) VALUES (?, ?, ?)`,
-                [username, sub, issuer]
-            )
-            memberId = Number(result.insertId);
+            //check if account is available to claim
+            let memberId = await mapDiscordtoID(discordID);
+
+            if (memberId === null) {
+                console.log('new account');
+                // create new account
+                const username = sub.username;
+                const result = await con.query(
+                    `INSERT INTO members (name, authentik_sub, authentik_issuer) VALUES (?, ?, ?)`,
+                    [username, sub, issuer]
+                )
+                memberId = Number(result.insertId);
+            } else {
+                console.log('claim account');
+                // claim existing account
+                const result = await con.query(
+                    `UPDATE members SET authentik_sub = ?, authentik_issuer = ? WHERE id = ?;`,
+                    [sub, issuer, memberId]
+                )
+            }
         }
+
+        await con.query(`UPDATE members SET last_login = ? WHERE id = ?`, [toDateTime(new Date()), memberId])
+
         await con.commit();
         return cb(null, { memberId });
     } catch (error) {
@@ -116,11 +140,10 @@ passport.deserializeUser(function (user, cb) {
         var userData: { id: number, name: string, roles: Role[], state: MemberState };
         try {
             var con = await pool.getConnection();
-
             let userResults = await con.query(`SELECT id, name FROM members WHERE id = ?;`, [memberID])
             userData = userResults[0];
             let userRoles = await getUserRoles(memberID);
-            userData.roles = userRoles;
+            userData.roles = userRoles || [];
             userData.state = await getUserState(memberID);
         } catch (error) {
             console.error(error)
diff --git a/api/src/services/memberService.ts b/api/src/services/memberService.ts
index 66b5917..6381ad1 100644
--- a/api/src/services/memberService.ts
+++ b/api/src/services/memberService.ts
@@ -15,9 +15,8 @@ export async function setUserState(userID: number, state: MemberState) {
 }
 
 export async function getUserState(user: number): Promise<MemberState> {
-    let out = await pool.query(`SELECT state FROM members WHERE id = ?`, [user]);
-    console.log('hi')
-    return (out[0].state as MemberState);
+  let out = await pool.query(`SELECT state FROM members WHERE id = ?`, [user]);
+  return (out[0].state as MemberState);
 }
 
 export async function getMemberSettings(id: number): Promise<memberSettings> {
@@ -54,4 +53,10 @@ export async function getMembersFull(ids: number[]): Promise<Member[]> {
   const sql = `SELECT * FROM view_member_rank_unit_status_latest WHERE member_id IN (?);`;
   const res: Member[] = await pool.query(sql, [ids]);
   return res;
+}
+
+export async function mapDiscordtoID(id: number): Promise<number | null> {
+  const sql = `SELECT id FROM members WHERE discord_id = ?;`
+  let res = await pool.query(sql, [id]);
+  return res.length > 0 ? res[0].id : null;
 }
\ No newline at end of file