diff -r 4f9466be7b46 -r 3fb5f173f213 mod_auth_external/mod_auth_external.lua
--- a/mod_auth_external/mod_auth_external.lua	Sat Nov 18 00:47:44 2017 +0100
+++ b/mod_auth_external/mod_auth_external.lua	Sat Nov 18 01:01:59 2017 +0100
@@ -50,6 +50,8 @@
 	end
 end
 
+module:hook_global("server-cleanup", module.unload);
+
 local curr_process = 0;
 function send_query(text)
 	curr_process = (curr_process%auth_processes)+1;