diff --git a/usr.bin/locale/Makefile b/usr.bin/locale/Makefile
index 91fc1c75d885..539fc1fd7d8c 100644
--- a/usr.bin/locale/Makefile
+++ b/usr.bin/locale/Makefile
@@ -1,5 +1,6 @@
 # $FreeBSD$
 
 PROG = locale
+WARNS ?= 1
 
 .include <bsd.prog.mk>