diff --git a/lib/util.js b/lib/util.js
index 5229e148..271adead 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -98,6 +98,8 @@
                 return check;
             };
             
+            check.check = check;
+
             /**
              * Check is type of arg with name is equal to type
              *