diff --git a/ct/authentik.sh b/ct/authentik.sh
index 9f43a99..69e277d 100644
--- a/ct/authentik.sh
+++ b/ct/authentik.sh
@@ -28,6 +28,8 @@ APP_PORT="${APP_PORT:-9000}"
 LIB_URL="${LIB_URL:-https://gitea.luki-net.org/luki-net/proxmox-scripts/raw/branch/main/lib}"
 INSTALL_SCRIPT_URL="${INSTALL_SCRIPT_URL:-https://gitea.luki-net.org/luki-net/proxmox-scripts/raw/branch/main/install/authentik-install.sh}"
 
+source <(curl -fsSL "$LIB_URL/build.func")
+
 # LXC defaults (server+worker+postgres+redis brauchen Luft)
 DEFAULT_HOSTNAME="authentik"
 DEFAULT_DISK="20"