diff --git a/src/woo_publications/logging/admin.py b/src/woo_publications/logging/admin.py
index 2a4d65e8..103a6c97 100644
--- a/src/woo_publications/logging/admin.py
+++ b/src/woo_publications/logging/admin.py
@@ -44,6 +44,7 @@ class TimelineLogProxyAdmin(admin.ModelAdmin):
     search_fields = (
         "extra_data__acting_user__identifier",
         "extra_data__acting_user__display_name",
+        "extra_data___cached_object_repr",
     )
     list_select_related = ("content_type", "user")
     date_hierarchy = "timestamp"
diff --git a/src/woo_publications/logging/tests/test_admin.py b/src/woo_publications/logging/tests/test_admin.py
index 53d6795d..4873306c 100644
--- a/src/woo_publications/logging/tests/test_admin.py
+++ b/src/woo_publications/logging/tests/test_admin.py
@@ -222,6 +222,18 @@ def test_search_behaviour(self):
                     "identifier": "testsuite",
                     "display_name": "Automated tests",
                 },
+                "_cached_object_repr": "foobar",
+            },
+        )
+        # broken audit log entry
+        TimelineLogProxy.objects.create(
+            extra_data={
+                "event": Events.read,
+                "acting_user": {
+                    "identifier": None,
+                    "display_name": None,
+                },
+                "_cached_object_repr": None,
             },
         )
 
@@ -241,6 +253,13 @@ def test_search_behaviour(self):
             self.assertNotContains(response, "1234")
             self.assertContains(response, "testsuite")
 
+        with self.subTest("search on cached_object_repr"):
+            response = self.app.get(self.list_url, {"q": "foobar"})
+
+            self.assertEqual(response.status_code, 200)
+            self.assertNumLogsDisplayed(response, 1)
+            self.assertContains(response, "foobar")
+
     def test_no_excessive_queries_for_content_object(self):
         # create a 100 records to fill the admin - can't use bulk create because that
         # skips the save method :)