diff --git a/wireguard/make.sh b/wireguard/make.sh
index ae7de8c..a1438ef 100755
--- a/wireguard/make.sh
+++ b/wireguard/make.sh
@@ -41,6 +41,8 @@ xread "Wireguard endpoint: " ENDPOINT
 DFL_ENDPOINT_PORT=${DFL_ENDPOINT_PORT:=51820}
 xread "Wireguard endpoint port: " ENDPOINT_PORT
 
+CLIENT_IPS=10.42.1.0/16
+
 
 readVars
 
@@ -73,7 +75,7 @@ OPTS_STAGE_2="\
 #----------------------------------------------------------------------
 
 echo "# Building config..."
-buildAssets ENDPOINT ENDPOINT_PORT DNS
+buildAssets ENDPOINT ENDPOINT_PORT DNS CLIENT_IPS
 
 echo "# Creating CT..."
 pctCreateAlpine $ID "${OPTS_STAGE_1}" "$PASS"
@@ -83,6 +85,7 @@ echo "# Installing dependencies..."
 
 echo "# Copying assets..."
 @ pct-push-r $ID ./assets /
+@ lxc-attach $ID -- chmod +x /root/getFreeClientIP
 
 #echo "# Setup: wireguard server..."
 @ lxc-attach $ID -- bash -c 'cd /root && make server'
diff --git a/wireguard/templates/root/Makefile b/wireguard/templates/root/Makefile
index 9d80230..4a0953f 100644
--- a/wireguard/templates/root/Makefile
+++ b/wireguard/templates/root/Makefile
@@ -11,7 +11,7 @@ SERVER_PUBLIC_KEY := $(SERVER_DIR)/server_id.pub
 CLIENT_TPL := templates/client.conf
 CLIENT_DIR := $(SERVER_DIR)/clients/
 
-CLIENT_IPS ?= 10.42.0.0/16
+CLIENT_IPS ?= ${CLIENT_IPS}
 ENDPOINT_PORT ?= ${ENDPOINT_PORT}
 ENDPOINT ?= ${ENDPOINT}
 
diff --git a/wireguard/templates/root/getFreeClientIP b/wireguard/templates/root/getFreeClientIP
index fef3ad0..c89d0e3 100755
--- a/wireguard/templates/root/getFreeClientIP
+++ b/wireguard/templates/root/getFreeClientIP
@@ -1,4 +1,4 @@
-#!/usr/bin/bash
+#!/usr/bin/env bash
 
 CLIENT_IPS=${CLIENT_IPS}