diff --git a/src/api/views/maps.py b/src/api/views/maps.py
index b84b3288c0acc0f7bda16e48bebfb5f1d5fd6b9e..6e813e4e68f0c53e0b9274180f90909a0ca60753 100644
--- a/src/api/views/maps.py
+++ b/src/api/views/maps.py
@@ -197,6 +197,7 @@ class C3NavExportView(ConferenceSlugMixin, APIView):
                     'type': 'room',
                     'id': str(room.pk),
                     'name': room.name,
+                    'slug': room.slug,
                     'is_official': room.is_official,
                     'in_public_fahrplan': room.is_public_fahrplan,
                     'description': {'de': room.description_de, 'en': room.description_en},