diff --git a/plugins/mail/postfix_stats b/plugins/mail/postfix_stats
index 97473a74..afb508fe 100755
--- a/plugins/mail/postfix_stats
+++ b/plugins/mail/postfix_stats
@@ -67,7 +67,7 @@ if [ "$1" = 'config' ]; then
 		echo "${i}.label ${i}"
 		echo "${i}.type DERIVE"
 		echo "${i}.min 0"
-		echo "${i}.draw AREA"
+		echo "${i}.draw STACK"
 	done
 
 	exit 0