diff --git a/emmet-api/emmet/api/routes/materials/materials/query_operators.py b/emmet-api/emmet/api/routes/materials/materials/query_operators.py
index ded52e97e7..e59ca4a764 100644
--- a/emmet-api/emmet/api/routes/materials/materials/query_operators.py
+++ b/emmet-api/emmet/api/routes/materials/materials/query_operators.py
@@ -474,6 +474,9 @@ def query(
 class BatchIdQuery(QueryOperator):
     """Method to generate a query on batch_id"""
 
+    def __init__(self, field="builder_meta.batch_id"):
+        self._field = field
+
     def query(
         self,
         batch_id: str | None = Query(
@@ -502,7 +505,7 @@ def query(
             )
 
         crit = {}  # type: dict
-        k = "builder_meta.batch_id"
+        k = self._field
         if batch_id:
             crit[k] = batch_id
         elif batch_id_not_eq:
diff --git a/emmet-api/emmet/api/routes/materials/tasks/resources.py b/emmet-api/emmet/api/routes/materials/tasks/resources.py
index 605103ecdb..e9ae152cfe 100644
--- a/emmet-api/emmet/api/routes/materials/tasks/resources.py
+++ b/emmet-api/emmet/api/routes/materials/tasks/resources.py
@@ -2,6 +2,7 @@
 from emmet.api.resource import ReadOnlyResource
 
 from emmet.api.routes.materials.materials.query_operators import (
+    BatchIdQuery,
     ChemsysQuery,
     ElementsQuery,
     FormulaQuery,
@@ -26,6 +27,7 @@ def task_resource(task_store):
         task_store,
         TaskDoc,
         query_operators=[
+            BatchIdQuery(field="batch_id"),
             FormulaQuery(),
             ChemsysQuery(),
             ElementsQuery(),