diff -u b/src/EventSubscriber/ForceTfaSetup.php b/src/EventSubscriber/ForceTfaSetup.php
--- b/src/EventSubscriber/ForceTfaSetup.php
+++ b/src/EventSubscriber/ForceTfaSetup.php
@@ -112,6 +112,10 @@
       return;
     }
 
+    if ($is_tfa_setup_last_chance && $this->routeMatch->getRouteName() === 'user.logout') {
+      return;
+    }
+
     if ($is_tfa_setup_last_chance && strpos($this->routeMatch->getRouteName(), 'tfa.') === 0) {
       $this->messenger->addError(t('You need to enable Two Factor Authentication now or your account will be blocked.'));
       return;