diff --git a/mediagoblin/config_spec.ini b/mediagoblin/config_spec.ini
index f91d1c1b..2e782101 100644
--- a/mediagoblin/config_spec.ini
+++ b/mediagoblin/config_spec.ini
@@ -65,5 +65,5 @@ celerybeat_max_loop_interval = integer()
 celeryd_eta_scheduler_precision = float()
 
 # known lists
-celery_routes = list()
-celery_imports = list()
\ No newline at end of file
+celery_routes = string_list()
+celery_imports = string_list()
\ No newline at end of file