diff --git a/Makefile b/Makefile
index 2c73c5f..0be40ac 100644
--- a/Makefile
+++ b/Makefile
@@ -14,9 +14,9 @@ MAINTAINER=	avl@FreeBSD.org
 COMMENT=	A utility for reading, writing, verifying and erasing flash ROM chips
 
 LIB_DEPENDS=	pci.3:${PORTSDIR}/devel/libpci
-RUN_DEPENDS=	dmidecode:${PORTSDIR}/sysutils/dmidecode
 
-OPTIONS=	FTDI	"Enable external FT2232SPI flasher support"	off
+OPTIONS=	FTDI		"Enable external FT2232SPI flasher support"	off \
+		DMIDECODE	"Use dmidecode to gather DMI information"	on
 
 USE_BZIP2=	yes
 USE_GMAKE=	yes
@@ -39,6 +39,9 @@ MAN8=		${PORTNAME}.8
 USE_GNOME=	pkgconfig
 LIB_DEPENDS+=	ftdi.18:${PORTSDIR}/devel/libftdi
 .endif
+.if defined(WITH_DMIDECODE)
+RUN_DEPENDS=	dmidecode:${PORTSDIR}/sysutils/dmidecode
+.endif
 
 post-patch:
 .if defined(WITH_FTDI)