diff --git a/js/jquery.knob.js b/js/jquery.knob.js
index ef3ab5f..8da405b 100644
--- a/js/jquery.knob.js
+++ b/js/jquery.knob.js
@@ -143,6 +143,7 @@
                     'change'
                     , function () {
                         s.val(s._validate(s.$.val()));
+                        s.cH(s.$.val());
                     }
                 );
             }
@@ -507,6 +508,7 @@
                                 && (v = max(min(v, s.o.max), s.o.min));
 
                                 s.change(v);
+                                s.cH(v);
                                 s._draw();
 
                                 // long time keydown speed-up
@@ -665,4 +667,4 @@
         ).parent();
     };
 
-})(jQuery);
\ No newline at end of file
+})(jQuery);