diff --git a/php/controller/logout-controller.php b/php/controller/logout-controller.php
index f0ca454..20d522a 100644
--- a/php/controller/logout-controller.php
+++ b/php/controller/logout-controller.php
@@ -1,5 +1,7 @@
 <?php
-session_start();
+if (session_status() === PHP_SESSION_NONE) {
+    session_start();
+}
 
 $_SESSION = [];
 session_destroy();