diff --git a/apps/qm/filters.py b/apps/qm/filters.py
index 96f36e14..cd5f265c 100644
--- a/apps/qm/filters.py
+++ b/apps/qm/filters.py
@@ -48,7 +48,7 @@ class FtestWorkFilter(filters.FilterSet):
             "material": ["exact"],
             "wm": ["exact", "isnull"],
             "mb": ["exact", "isnull"],
-            "batch": ["exact"],
+            "batch": ["exact", "contains"],
             "type": ["exact"],
             "type2": ["exact"],
             "shift": ["exact"]