diff --git a/csrf.php b/csrf.php
index ec4498a..8070047 100644
--- a/csrf.php
+++ b/csrf.php
@@ -19,6 +19,21 @@ class csrf
     * enter information in form and submit) */
   private $csrfTimeout = 3600;
 
+  /** Manage the singleton */
+  public function __construct ()
+  {
+    if (isset ($GLOBALS["domframework"]["csrf"]))
+    {
+      $this->csrfToken = $GLOBALS["domframework"]["csrf"]->csrfToken;
+      $this->field = $GLOBALS["domframework"]["csrf"]->field;
+      $this->csrfTimeout = $GLOBALS["domframework"]["csrf"]->csrfTimeout;
+    }
+    else
+    {
+      $GLOBALS["domframework"]["csrf"] = $this;
+    }
+  }
+
   /** This function return the token */
   public function createToken ()
   {