diff --git a/UI/WebServerResources/js/Mailer/Mailbox.service.js b/UI/WebServerResources/js/Mailer/Mailbox.service.js
index bf4200f91..5592fce04 100644
--- a/UI/WebServerResources/js/Mailer/Mailbox.service.js
+++ b/UI/WebServerResources/js/Mailer/Mailbox.service.js
@@ -378,7 +378,7 @@
 
     angular.extend(options, { sortingAttributes: Mailbox.$query });
     if (angular.isDefined(filters)) {
-      options.filters = _.reject(filters, function(filter) {
+      options.filters = _.reject(angular.copy(filters), function(filter) {
         return !filter.searchInput || filter.searchInput.length === 0;
       });
       // Decompose filters that match two fields