diff --git a/app/config/config.yml b/app/config/config.yml
index 90d159c..719d534 100644
--- a/app/config/config.yml
+++ b/app/config/config.yml
@@ -13,6 +13,7 @@ parameters:
     # rebrickable csv files root URL (http://rebrickable.com/media/downloads/ or local dir containing csv files)
     app.rebrickable_downloads_url: 'http://rebrickable.com/media/downloads/'
     app.ld_library_download_url: 'http://www.ldraw.org/library/updates/complete.zip'
+    app.show_only_themes_containing_sets: false
 
     app.media_root: "%kernel.root_dir%/../var/media/"