diff --git a/backend/app/students/routes/registrations.py b/backend/app/students/routes/registrations.py
index f85b93d..dea0621 100644
--- a/backend/app/students/routes/registrations.py
+++ b/backend/app/students/routes/registrations.py
@@ -24,8 +24,7 @@ def list_available_groups(query: dict) -> dict:
     if mode is not None:
         ps_query = ps_query.filter(ProjectSupervisor.mode != 1-mode)
 
-    ps_query = ps_query.group_by(ProjectSupervisor.id). \
-        having(available_groups > 0)
+    ps_query = ps_query.group_by(ProjectSupervisor.id)
 
     data = paginate_models(page, ps_query, per_page)