diff --git a/core/feed/acquisition.py b/core/feed/acquisition.py
index c439146033..054f28cbc9 100644
--- a/core/feed/acquisition.py
+++ b/core/feed/acquisition.py
@@ -14,6 +14,7 @@
     Type,
 )
 
+from dependency_injector.wiring import Provide, inject
 from sqlalchemy.orm import Query, Session
 
 from api.problem_details import NOT_FOUND_ON_REMOTE
@@ -665,6 +666,7 @@ def single_entry(
             return None
 
     @classmethod
+    @inject
     def groups(
         cls,
         _db: Session,
@@ -674,7 +676,7 @@ def groups(
         annotator: LibraryAnnotator,
         pagination: Optional[Pagination] = None,
         facets: Optional[FacetsWithEntryPoint] = None,
-        search_engine: Optional[ExternalSearchIndex] = None,
+        search_engine: ExternalSearchIndex = Provide["search.index"],
         search_debug: bool = False,
     ) -> OPDSAcquisitionFeed:
         """Internal method called by groups() when a grouped feed
diff --git a/core/service/container.py b/core/service/container.py
index 127c956570..07e8e08244 100644
--- a/core/service/container.py
+++ b/core/service/container.py
@@ -24,6 +24,7 @@ class Services(DeclarativeContainer):
             "api.odl",
             "api.overdrive",
             "core.feed.annotator.circulation",
+            "core.feed.acquisition",
             "core.lane",
             "core.metadata_layer",
             "core.model.collection",