--- a/mod_migrate/mod_migrate.lua	Sun May 05 14:47:07 2019 +0200
+++ b/mod_migrate/mod_migrate.lua	Sun May 05 16:04:20 2019 +0200
@@ -1,8 +1,17 @@
 -- mod_migrate
 
+local unpack = table.unpack or unpack;
 local sm = require"core.storagemanager";
 local um = require"core.usermanager";
 
+local function users(store, host)
+	if store.users then
+		return store:users();
+	else
+		return um.users(host);
+	end
+end
+
 function module.command(arg)
 	local host, source_stores, migrate_to = unpack(arg);
 	if not migrate_to then
@@ -62,7 +71,7 @@
 			end
 		else
 			xpcall(function()
-				for user in um.users(host) do
+				for user in users(storage, host) do
 					migrate_user(user);
 				end
 			end,