diff --git a/libexec/rc/network.subr b/libexec/rc/network.subr
index 2113a3f66f0..5e4f2c1f39a 100644
--- a/libexec/rc/network.subr
+++ b/libexec/rc/network.subr
@@ -661,7 +661,7 @@ ifisup()
 {
 	local _if
 
-	[ -z "$1" ] && return 1
+	[ -z "$1" ] && return 2
 	_if="$1"
 
 	set -- $(${IFCONFIG_CMD} -n ${_if} 2>/dev/null)