diff --git a/apps/contacts/js/contacts.js b/apps/contacts/js/contacts.js
index 981af6f53a63d041ae5eb1c1a7589a990c063b40..110c383ac7c7196ccbc6e6595237c12942f85ff3 100644
--- a/apps/contacts/js/contacts.js
+++ b/apps/contacts/js/contacts.js
@@ -1591,7 +1591,7 @@ $(document).ready(function(){
 	});
 
 	$(document).on('click', '.addressbook', function(event){
-		$(this).next().toggle();
+		$(this).next().slideToggle(300);
 		return false;
 	});