diff --git a/start.sh b/start.sh
index c82d89d..b3989ea 100755
--- a/start.sh
+++ b/start.sh
@@ -9,7 +9,7 @@ migrate_ldap_users_to_oidc() {
 
     echo "==> migrate LDAP to OIDC"
     mysql -u"${CLOUDRON_MYSQL_USERNAME}" -p"${CLOUDRON_MYSQL_PASSWORD}" -h mysql --database="${CLOUDRON_MYSQL_DATABASE}" -N -B -e \
-        "UPDATE user u, (select id from login_source WHERE name='cloudron' and type='6') ls SET u.login_type=6, u.login_source=u.id WHERE u.login_type=2 AND u.login_source=1"
+        "UPDATE user u, (select id from login_source WHERE name='cloudron' and type='6') ls SET u.login_type=6, u.login_source=ls.id WHERE u.login_type=2 AND u.login_source=1"
 }
 
 setup_oidc_source() {