--- a/plugins/mod_posix.lua	Sun Jan 06 10:42:45 2019 +0100
+++ b/plugins/mod_posix.lua	Sun Jan 06 12:18:48 2019 +0100
@@ -172,7 +172,7 @@
 		signal.signal("SIGHUP", function ()
 			module:log("info", "Received SIGHUP");
 			prosody.reload_config();
-			prosody.reopen_logfiles();
+			-- this also reloads logging
 		end);
 
 		signal.signal("SIGINT", function ()

--- a/util/startup.lua	Sun Jan 06 10:42:45 2019 +0100
+++ b/util/startup.lua	Sun Jan 06 12:18:48 2019 +0100
@@ -87,6 +87,9 @@
 	-- Initialize logging
 	local loggingmanager = require "core.loggingmanager"
 	loggingmanager.reload_logging();
+	prosody.events.add_handler("config-reloaded", function ()
+		prosody.events.fire_event("reopen-log-files");
+	end);
 	prosody.events.add_handler("reopen-log-files", function ()
 		loggingmanager.reload_logging();
 		prosody.events.fire_event("logging-reloaded");