diff --git a/src/app/components/contact/contacts/contacts.filter.js b/src/app/components/contact/contacts/contacts.filter.js
index 01d1024..b534a04 100644
--- a/src/app/components/contact/contacts/contacts.filter.js
+++ b/src/app/components/contact/contacts/contacts.filter.js
@@ -1,5 +1,9 @@
 function contactsFilter() {
   return function (collection, params) {
+
+    if(!collection || !params)
+      return;
+
     return collection.filter(function (item) {
       return item.tag === (
         params.filter === 'none' ? item.tag : params.filter