diff --git a/scripts/proxmox-vpn-install-dev.sh b/scripts/proxmox-vpn-install-dev.sh
index e424803..fd912ca 100644
--- a/scripts/proxmox-vpn-install-dev.sh
+++ b/scripts/proxmox-vpn-install-dev.sh
@@ -123,6 +123,7 @@ TUNCFG
   pct exec "$SEL_ID" -- bash -c "
     mkdir -p /opt/docker-projekte/VPN
     touch /opt/docker-projekte/VPN/custom.conf
+    chmod -R 775 /opt/docker-projekte/VPN
     chown 1000:1000 -R /opt/docker-projekte/VPN
   "
   success "VPN-Ordner und custom.conf erstellt (/opt/docker-projekte/VPN)"
@@ -195,7 +196,8 @@ deploy_stack() {
   
   # Lokales Subnetz automatisch ermitteln (z.B. 192.168.178.0/24)
   local SUBNET
-  SUBNET=$(pct exec "$SEL_ID" -- bash -c "ip -o -f inet addr show eth0 | awk '{print \$4}' | sed 's/\.[0-9]\{1,3\}\//.0\//'" 2>/dev/null || echo "192.168.0.0/24")
+  #SUBNET=$(pct exec "$SEL_ID" -- bash -c "ip -o -f inet addr show eth0 | awk '{print \$4}' | sed 's/\.[0-9]\{1,3\}\//.0\//'" 2>/dev/null || echo "192.168.0.0/24")
+  SUBNET=$(pct exec "$SEL_ID" -- bash -c "python3 -c 'import ipaddress; import subprocess; ip = subprocess.check_output([\"ip\", \"-o\", \"-f\", \"inet\", \"addr\", \"show\", \"eth0\"]).decode().split()[3]; print(ipaddress.ip_interface(ip).network)'" 2>/dev/null || echo "192.168.0.0/23")
   info "Ermitteltes lokales Subnetz: ${SUBNET}"
 
   # Alten Stack stoppen