--- Makefile.old	2013-01-06 10:35:45.000000000 +0000
+++ Makefile	2013-01-06 10:36:08.000000000 +0000
@@ -30,7 +30,7 @@
 do-install:
 	${INSTALL_SCRIPT} ${WRKSRC}/${PORTNAME} ${PREFIX}/bin/
 	${INSTALL_MAN} ${WRKSRC}/sec.man ${PREFIX}/man/man8/sec.8
-.if empty(PORT_OPTIONS:MDOCS)
+.if $(PORT_OPTIONS:MDOCS)
 	${MKDIR} ${DOCSDIR}
 .for file in ${PORTDOCS}
 	${INSTALL_MAN} ${WRKSRC}/${file} ${DOCSDIR}