diff --git a/pages/linux/chage.md b/pages/linux/chage.md
index f361715f0a..a05f725acd 100644
--- a/pages/linux/chage.md
+++ b/pages/linux/chage.md
@@ -12,7 +12,7 @@
 
 - Disable password expiration:
 
-`sudo chage -M 99999 {{user_name}}`
+`sudo chage -M -1 {{user_name}}`
 
 - Set account expiration date: