diff --git a/tw/twmodel/helpers.go b/tw/twmodel/helpers.go
index ac8bcdc..a9a1df4 100644
--- a/tw/twmodel/helpers.go
+++ b/tw/twmodel/helpers.go
@@ -30,7 +30,10 @@ func appendFilters(q *orm.Query, filtersToAppend ...filterToAppend) (*orm.Query,
 			if err != nil {
 				return q, errors.Wrapf(err, "Couldn't build alias from relation name '%s'", f.relationName)
 			}
-			q, err = f.filter.WhereWithAlias(q.Relation(f.relationName+"._"), alias)
+			if join := tableModel.GetJoin(f.relationName); join == nil {
+				q = q.Relation(f.relationName + "._")
+			}
+			q, err = f.filter.WhereWithAlias(q, alias)
 			if err != nil {
 				return q, errors.Wrapf(err, "Couldn't append filter for the relation '%s'", f.relationName)
 			}