--- a/mod_firewall/definitions.lib.lua	Sun May 24 19:30:31 2026 +0100
+++ b/mod_firewall/definitions.lib.lua	Sun May 24 19:35:52 2026 +0100
@@ -5,7 +5,6 @@
 local definition_handlers = {};
 
 local http = require "net.http";
-local timer = require "util.timer";
 local set = require"util.set";
 local new_throttle = require "util.throttle".create;
 local hashes = require "util.hashes";
@@ -136,11 +135,14 @@
 						next_poll = retry_intervals[failure_count] or retry_intervals[#retry_intervals];
 					end
 					if next_poll > 0 then
-						timer.add_task(next_poll+math.random(0, 60), update_list);
+						return next_poll + math.random(0, 60);
 					end
 				end);
 			end
-			update_list();
+			local delay = update_list();
+			if delay then
+				module:add_timer(delay, update_list);
+			end
 		end;
 		add = function ()
 		end;