diff --git a/usr.bin/objformat/Makefile b/usr.bin/objformat/Makefile
index 813f324bb391..571beb506b4f 100644
--- a/usr.bin/objformat/Makefile
+++ b/usr.bin/objformat/Makefile
@@ -1,7 +1,7 @@
 # $FreeBSD$
 
 PROG=		objformat
-CFLAGS+=	-Wall
+WARNS?=		2
 NOSHARED?=	YES
 
 LINKS+=	${BINDIR}/objformat ${BINDIR}/addr2line
diff --git a/usr.bin/objformat/objformat.c b/usr.bin/objformat/objformat.c
index 8d75f5ea64ae..3e9e4101d0e5 100644
--- a/usr.bin/objformat/objformat.c
+++ b/usr.bin/objformat/objformat.c
@@ -39,7 +39,7 @@ main(int argc, char **argv)
 	char objformat[32];
 	char *path, *chunk;
 	char *cmd, *newcmd = NULL;
-	char *objformat_path;
+	const char *objformat_path;
 
 	if (getobjformat(objformat, sizeof objformat, &argc, argv) == -1)
 		errx(1, "Invalid object format");