diff --git a/Mk/bsd.port.mk b/Mk/bsd.port.mk
index 32d19624dc45..95fae7b43625 100644
--- a/Mk/bsd.port.mk
+++ b/Mk/bsd.port.mk
@@ -612,8 +612,6 @@ PREFIX?=		${X11BASE}
 PREFIX?=		${LOCALBASE}
 .endif
 
-PLIST_SUB+=		PREFIX=%D LOCALBASE=${LOCALBASE} X11BASE=${X11BASE}
-
 .if defined(USE_OPENSSL)
 .if ${OSVERSION} >= 400014
 .if !exists(/usr/lib/libcrypto.so)
@@ -683,7 +681,7 @@ WRKSRC?=		${WRKDIR}
 WRKSRC?=		${WRKDIR}/${DISTNAME}
 .endif
 
-PLIST_SUB+=	OSREL=${OSREL}
+PLIST_SUB+=	OSREL=${OSREL} PREFIX=%D LOCALBASE=${LOCALBASE} X11BASE=${X11BASE}
 
 CONFIGURE_ENV+=	PORTOBJFORMAT=${PORTOBJFORMAT}
 SCRIPTS_ENV+=	PORTOBJFORMAT=${PORTOBJFORMAT}
@@ -764,6 +762,11 @@ BUILD_DEPENDS+=	bison:${PORTSDIR}/devel/bison
 .endif
 .endif
 
+.if ${OSVERSION} >= 500007
+PERL_VERSION=	5.6.0
+PERL_VER=		5.6.0
+PERL_ARCH=		mach
+.else
 .if ${OSVERSION} >= 300000
 PERL_VERSION=	5.00503
 .else
@@ -771,6 +774,7 @@ PERL_VERSION=	5.00502
 .endif
 PERL_VER=		5.005
 PERL_ARCH=		${ARCH}-freebsd
+.endif
 PLIST_SUB+=		PERL_VERSION=${PERL_VERSION} \
 				PERL_VER=${PERL_VER} \
 				PERL_ARCH=${PERL_ARCH}