diff --git a/usr.sbin/bsdinstall/scripts/netconfig_ipv4 b/usr.sbin/bsdinstall/scripts/netconfig_ipv4
index 856c999351d7..88a0fa202c6d 100755
--- a/usr.sbin/bsdinstall/scripts/netconfig_ipv4
+++ b/usr.sbin/bsdinstall/scripts/netconfig_ipv4
@@ -1,7 +1,7 @@
 #!/bin/sh
 #-
 # Copyright (c) 2011 Nathan Whitehorn
-# Copyright (c) 2013 Devin Teske
+# Copyright (c) 2013-2015 Devin Teske
 # All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
@@ -80,16 +80,20 @@ echo $INTERFACE $IF_CONFIG |
 	printf("ifconfig_%s=\"%s\inet %s netmask %s\"\n", $1, prefix, $2, $3);
 	printf("defaultrouter=\"%s\"\n", $4);
     }' >> $BSDINSTALL_TMPETC/._rc.conf.net
+retval=$?
 
-if [ ! -z $BSDINSTALL_CONFIGCURRENT ]; then
+if [ "$BSDINSTALL_CONFIGCURRENT" ]; then
 	. $BSDINSTALL_TMPETC/._rc.conf.net
 	ifconfig $INTERFACE `eval echo \\\$ifconfig_$INTERFACE`
-	if [ -n "${defaultrouter}" ]; then
+	if [ "$defaultrouter" ]; then
 		route delete -inet default
 		route add -inet default $defaultrouter
+		retval=$?
 	fi
 fi
 
+exit $retval
+
 ################################################################################
 # END
 ################################################################################
diff --git a/usr.sbin/bsdinstall/scripts/netconfig_ipv6 b/usr.sbin/bsdinstall/scripts/netconfig_ipv6
index aa1a579d2b35..ff4258f63ebf 100755
--- a/usr.sbin/bsdinstall/scripts/netconfig_ipv6
+++ b/usr.sbin/bsdinstall/scripts/netconfig_ipv6
@@ -2,7 +2,7 @@
 #-
 # Copyright (c) 2011 Nathan Whitehorn
 # Copyright (c) 2011 The FreeBSD Foundation
-# Copyright (c) 2013 Devin Teske
+# Copyright (c) 2013-2015 Devin Teske
 # All rights reserved.
 #
 # Portions of this software were developed by Bjoern Zeeb
@@ -141,16 +141,20 @@ BEGIN {
 	}
 	printf("ifconfig_%s_ipv6=\"inet6 %s\"\n", iface, $1);
 }' >> $BSDINSTALL_TMPETC/._rc.conf.net
+retval=$?
 
-if [ ! -z $BSDINSTALL_CONFIGCURRENT ]; then
+if [ "$BSDINSTALL_CONFIGCURRENT" ]; then
 	. $BSDINSTALL_TMPETC/._rc.conf.net
 	ifconfig ${INTERFACE} `eval echo \\\$ifconfig_${INTERFACE}_ipv6`
-	if [ -n "${ipv6_defaultrouter}" ]; then
+	if [ "$ipv6_defaultrouter" ]; then
 		route delete -inet6 default
 		route add -inet6 default ${ipv6_defaultrouter}
+		retval=$?
 	fi
 fi
 
+exit $retval
+
 ################################################################################
 # END
 ################################################################################