diff --git a/apps/contacts/js/contacts.js b/apps/contacts/js/contacts.js
index 981af6f53a..110c383ac7 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;
 	});