--- a/core/loggingmanager.lua	Sun Sep 10 13:13:24 2017 -0400
+++ b/core/loggingmanager.lua	Mon Sep 11 19:32:12 2017 +0200
@@ -7,7 +7,7 @@
 --
 -- luacheck: globals log prosody.log
 
-local format = require "util.format";
+local format = require "util.format".format;
 local setmetatable, rawset, pairs, ipairs, type =
 	setmetatable, rawset, pairs, ipairs, type;
 local stdout = io.stdout;

--- a/plugins/mod_posix.lua	Sun Sep 10 13:13:24 2017 -0400
+++ b/plugins/mod_posix.lua	Mon Sep 11 19:32:12 2017 +0200
@@ -20,7 +20,7 @@
 	module:log("warn", "Couldn't load signal library, won't respond to SIGTERM");
 end
 
-local format = require "util.format";
+local format = require "util.format".format;
 local lfs = require "lfs";
 local stat = lfs.attributes;