--- a/mod_storage_muc_log/mod_storage_muc_log.lua	Wed Nov 15 21:08:53 2017 +0100
+++ b/mod_storage_muc_log/mod_storage_muc_log.lua	Wed Nov 15 22:21:14 2017 +0100
@@ -82,7 +82,7 @@
 			dates[i], i = dir, i+1;
 		end
 	end
-	if dates[1] == nil then return noop, 0; end
+	if dates[1] == nil then return nil end
 	table.sort(dates);
 	return dates;
 end