diff --git a/services/directory/src/FilterLists.Directory.Application/Queries/GetMaintainers.cs b/services/directory/src/FilterLists.Directory.Application/Queries/GetMaintainers.cs
index 8723fdca7..6a513fcf6 100644
--- a/services/directory/src/FilterLists.Directory.Application/Queries/GetMaintainers.cs
+++ b/services/directory/src/FilterLists.Directory.Application/Queries/GetMaintainers.cs
@@ -45,7 +45,7 @@ public MaintainerViewModelProfile()
             {
                 CreateMap<Maintainer, MaintainerViewModel>()
                     .ForMember(m => m.FilterListIds,
-                        o => o.MapFrom(m => m.FilterListMaintainers.Select(fl => fl.FilterList.Id)));
+                        o => o.MapFrom(m => m.FilterListMaintainers.Select(flm => flm.FilterListId)));
             }
         }