diff --git a/src/mopidy_smartplaylists/ext.conf b/src/mopidy_smartplaylists/ext.conf
index 5fd5d3f..9ba175e 100644
--- a/src/mopidy_smartplaylists/ext.conf
+++ b/src/mopidy_smartplaylists/ext.conf
@@ -18,7 +18,7 @@ refresh_interval = 0
 # Comma-separated list of URI schemes to restrict searches to.
 # Example: local:, file:
 # Leave empty to search all backends.
-search_uris = local
+search_uris = local:
 # Directory to write .m3u8 playlist files into (e.g. for mopidy-m3u).
 # Leave empty to use Mopidy's core.playlists.save() API instead.
 playlist_dir =