diff --git a/apps/mtm/filters.py b/apps/mtm/filters.py
index 1fbb636e..c36c4568 100644
--- a/apps/mtm/filters.py
+++ b/apps/mtm/filters.py
@@ -51,7 +51,7 @@ class RouteFilter(filters.FilterSet):
             "material_out": ["exact", "in"],
             "process": ["exact", "in"],
             "is_autotask": ["exact"],
-            "routepack": ["exact"],
+            "routepack": ["exact", "isnull"],
             "routepack__state": ["exact"],
             "mgroup": ["exact", "in", "isnull"],
             "mgroup__name": ["exact", "contains"],