diff --git a/src/packages/fff/fff-network/Makefile b/src/packages/fff/fff-network/Makefile
index 81b29cb1..cdbfa5cb 100644
--- a/src/packages/fff/fff-network/Makefile
+++ b/src/packages/fff/fff-network/Makefile
@@ -1,7 +1,7 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=fff-network
-PKG_RELEASE:=41
+PKG_RELEASE:=42
 
 include $(INCLUDE_DIR)/package.mk
 
diff --git a/src/packages/fff/fff-network/files/usr/sbin/configurenetwork b/src/packages/fff/fff-network/files/usr/sbin/configurenetwork
index b1559758..75edf03c 100755
--- a/src/packages/fff/fff-network/files/usr/sbin/configurenetwork
+++ b/src/packages/fff/fff-network/files/usr/sbin/configurenetwork
@@ -126,7 +126,7 @@ else
         uci set network.${SWITCHDEV}_1.vlan=1
         uci set network.${SWITCHDEV}_1.ports="$CLIENT_PORTS"
 
-        if [ "$WANDEV" = "$SWITCHDEV" ] || ! [ -z "$WAN_PORTS" ]; then
+        if [ "$WANDEV" = "$SWITCHDEV" ] || [ -n "$WAN_PORTS" ]; then
             uci set network.${SWITCHDEV}_2=switch_vlan
             uci set network.${SWITCHDEV}_2.device=$SWITCHHW
             uci set network.${SWITCHDEV}_2.vlan=2