diff --git a/console.php b/console.php
index 16b8399..30e4e86 100644
--- a/console.php
+++ b/console.php
@@ -319,7 +319,7 @@ class console
           $end = mb_substr ($string, $pos + 1);
         }
         $completeArr = call_user_func ($this->completionFunction,
-          $this->tokenize ($start));
+          self::tokenize ($start));
         $isAssoc = is_array ($completeArr) &&
           array_diff_key ($completeArr, array_keys (array_keys ($completeArr)));
         // Remove from completeArr the proposed values which doesn't match with
@@ -945,7 +945,7 @@ class console
     * @param string $line The line to tokenize
     * @return array The tokens
     */
-  private function tokenize ($line)
+  static public function tokenize ($line)
   // {{{
   {
     $tokens = array ();