diff --git a/js/ui.multiselect.js b/js/ui.multiselect.js
index 6829049..7ae57a7 100644
--- a/js/ui.multiselect.js
+++ b/js/ui.multiselect.js
@@ -727,6 +727,7 @@ $.widget("ui.multiselect", {
 			// ignore if busy...
 			if (!this.busy) {
 				that._setSelected($(this).parent(), true);
+				that._updateCount();
 			}
 			return false;
 		});
@@ -753,6 +754,7 @@ $.widget("ui.multiselect", {
 			// ignore if busy...
 			if (!that.busy) {
 				that._setSelected($(this).parent(), false);
+				that._updateCount();
 			}
 			return false;
 		});