Index: sysutils/xen-tools/Makefile
===================================================================
--- sysutils/xen-tools/Makefile
+++ sysutils/xen-tools/Makefile
@@ -27,7 +27,8 @@
 OPTIONS_SUB=		yes
 
 SPICE_DESC=		Enable SPICE protocol for QEMU
-SPICE_CONFIGURE_WITH=	extra-qemuu-configure-args="--enable-spice"
+SPICE_CONFIGURE_ON=	--with-extra-qemuu-configure-args="--enable-spice --disable-user"
+SPICE_CONFIGURE_OFF=	--with-extra-qemuu-configure-args="--disable-user"
 SPICE_BUILD_DEPENDS=	spice-protocol>=0.12.10:devel/spice-protocol
 SPICE_LIB_DEPENDS=	libspice-server.so:devel/libspice-server