diff --git a/mongo/mongo.go b/mongo/mongo.go
index 3aa88e9..b8f8f11 100644
--- a/mongo/mongo.go
+++ b/mongo/mongo.go
@@ -319,7 +319,7 @@ func (m *Mongo) GetZoneVasByIds(ctx context.Context, zids []int64) ([]*dbstruct.
 			"$in": zids,
 		},
 	}
-	err := col.Find(ctx, query).One(&list)
+	err := col.Find(ctx, query).All(&list)
 	if err == qmgo.ErrNoSuchDocuments {
 		err = nil
 		return nil, nil