diff --git a/doc.BSD/Makefile b/doc.BSD/Makefile
index 029dfa7a..7b2a15bc 100644
--- a/doc.BSD/Makefile
+++ b/doc.BSD/Makefile
@@ -1,4 +1,4 @@
-DIR=	/usr/share/doc/openrc
+DIR=	${DOCDIR}/openrc
 INC=	${CONTENTS}
 
 MK=	../mk
diff --git a/doc.Linux/Makefile b/doc.Linux/Makefile
index 029dfa7a..7b2a15bc 100644
--- a/doc.Linux/Makefile
+++ b/doc.Linux/Makefile
@@ -1,4 +1,4 @@
-DIR=	/usr/share/doc/openrc
+DIR=	${DOCDIR}/openrc
 INC=	${CONTENTS}
 
 MK=	../mk
diff --git a/mk/sys.mk b/mk/sys.mk
index 2bf7b9d1..dc70b0a3 100644
--- a/mk/sys.mk
+++ b/mk/sys.mk
@@ -22,4 +22,7 @@ SHLIBDIR?=		/${LIBNAME}
 MANDIR?=		/usr/share/man/man
 MANMODE?=		0444
 
+DOCDIR?=		/usr/share/doc
+DOCMODE?=		0644	
+
 CONFMODE?=		0644