diff --git a/kerberos5/lib/libkrb5/Makefile b/kerberos5/lib/libkrb5/Makefile
index 73f8dbc23d07..cc6a10f08ba0 100644
--- a/kerberos5/lib/libkrb5/Makefile
+++ b/kerberos5/lib/libkrb5/Makefile
@@ -114,7 +114,7 @@ SRCS=	\
 INCS=	krb5.h ${.CURDIR}/../../include/krb5-types.h \
 	krb5-protos.h heim_err.h krb5_err.h k524_err.h
 
-MAN3=						\
+MAN=						\
 	krb5.3					\
 	krb5_425_conv_principal.3		\
 	krb5_appdefault.3			\
@@ -141,10 +141,10 @@ MAN3=						\
 	krb5_verify_user.3			\
 	krb5_warn.3
 
-MAN5=						\
+MAN+=						\
 	krb5.conf.5
 
-MAN8=						\
+MAN+=						\
 	kerberos.8				\
 	verify_krb5_conf.8
 
diff --git a/lib/libdevinfo/Makefile b/lib/libdevinfo/Makefile
index c342402d0602..0615195f9385 100644
--- a/lib/libdevinfo/Makefile
+++ b/lib/libdevinfo/Makefile
@@ -3,7 +3,6 @@
 LIB=	devinfo
 SRCS=	devinfo.c
 INCS=	devinfo.h
-
-MAN3=	devinfo.3
+MAN=	devinfo.3
 
 .include <bsd.lib.mk>
diff --git a/lib/libmp/Makefile b/lib/libmp/Makefile
index a6381f33be2d..35374a399474 100644
--- a/lib/libmp/Makefile
+++ b/lib/libmp/Makefile
@@ -8,6 +8,6 @@ WARNS?=		2
 NO_WERROR=	yes
 SRCS=		mpasbn.c
 INCS=		mp.h
-MAN3=		libmp.3
+MAN=		libmp.3
 
 .include <bsd.lib.mk>