diff --git a/sysutils/apcupsd/Makefile b/sysutils/apcupsd/Makefile
index 2bceed6d20e5..6f296b7b7152 100644
--- a/sysutils/apcupsd/Makefile
+++ b/sysutils/apcupsd/Makefile
@@ -61,7 +61,7 @@ GAPCMON_USES=			pkgconfig
 GAPCMON_USE=			GNOME=gconf2
 GAPCMON_CONFLICTS=		gapcmon-[0-9]*
 PCNET_DRV_CONFIGURE_ENABLE=	pcnet
-USB_DRV__CONFIGURE_ENABLE=	usb
+USB_DRV_CONFIGURE_ENABLE=	usb
 SNMP_DRV_CONFIGURE_ENABLE=	snmp
 MODBUS_CONFIGURE_ENABLE=	modbus
 SNMP_DRV_OLD_CONFIGURE_ENABLE=	net-snmp