diff --git a/Makefile b/Makefile
index d2d760b..446bd6f 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 
 PROG=	pidof
 SRCS=	pidof.c
-NOMAN=	yes
+NO_MAN=	yes
 LDADD=	-lkvm
 LINKS=	${BINDIR}/pidof