diff --git a/src/Controller.php b/src/Controller.php
index 9d50b7c..a66ab88 100755
--- a/src/Controller.php
+++ b/src/Controller.php
@@ -63,6 +63,6 @@ public function csrfProtection(): void
             $csrf[] = bin2hex(random_bytes(32));
         }
 
-        Session::set(["csrf_token", $csrf]);
+        Session::set("csrf_token", $csrf);
     }
 }