diff --git a/taiga/base/filters.py b/taiga/base/filters.py
index a6090812..f89302a0 100644
--- a/taiga/base/filters.py
+++ b/taiga/base/filters.py
@@ -420,6 +420,10 @@ class AssignedToFilter(BaseRelatedFieldsFilter):
     filter_name = 'assigned_to'
 
 
+class AssignedUsersFilter(BaseRelatedFieldsFilter):
+    filter_name = 'assigned_users'
+
+
 class StatusesFilter(BaseRelatedFieldsFilter):
     filter_name = 'status'
 
diff --git a/taiga/projects/userstories/api.py b/taiga/projects/userstories/api.py
index fc12b81b..01738412 100644
--- a/taiga/projects/userstories/api.py
+++ b/taiga/projects/userstories/api.py
@@ -65,6 +65,7 @@ class UserStoryViewSet(OCCResourceMixin, VotedResourceMixin, HistoryResourceMixi
                        base_filters.RoleFilter,
                        base_filters.OwnersFilter,
                        base_filters.AssignedToFilter,
+                       base_filters.AssignedUsersFilter,
                        base_filters.StatusesFilter,
                        base_filters.TagsFilter,
                        base_filters.WatchersFilter,