--- a/mod_measure_malloc/mod_measure_malloc.lua	Sun Nov 07 14:18:47 2021 +0100
+++ b/mod_measure_malloc/mod_measure_malloc.lua	Sun Nov 07 14:25:58 2021 +0100
@@ -25,7 +25,7 @@
 ):with_labels();
 
 module:hook("stats-update", function ()
-	meminfo = pposix.meminfo();
+	local meminfo = pposix.meminfo();
 	if meminfo.allocated then
 		allocated:with_labels("sbrk"):set(meminfo.allocated);
 	end