util.datamanager: Fix traceback due to %s in log message

diff --git a/util/datamanager.lua b/util/datamanager.lua
index b82349f10957bd31d186cb00664902adce63784f..b4138638f790b437bd85d2caf5b91588a53933d2 100644 (file)
--- a/util/datamanager.lua
+++ b/util/datamanager.lua
@@ -293,7 +293,7 @@ function users(host, store, typ)
 
        local mode, err = lfs.attributes(store_dir, "mode");
        if not mode then
-               return function() log("debug", err or (store_dir .. " does not exist")) end
+               return function() log("debug", "%s", err or (store_dir .. " does not exist")) end
        end
        local next, state = lfs.dir(store_dir);
        return function(state)