diff --git a/misc/install.func b/misc/install.func
index fab4c09a..8630e82d 100644
--- a/misc/install.func
+++ b/misc/install.func
@@ -253,6 +253,6 @@ EOF
     systemctl restart $(basename $(dirname $GETTY_OVERRIDE) | sed 's/\.d//')
     msg_ok "Customized Container"
   fi
-  echo "bash -c \"\$(wget -qLO - https://raw.githubusercontent.com/jkrgr0/ProxmoxVE/refs/heads/feature/2fauth/ct/${APP}.sh)\"" >/usr/bin/update
+  echo "bash -c \"\$(wget -qLO - https://raw.githubusercontent.com/jkrgr0/ProxmoxVE/refs/heads/feature/2fauth/ct/${app}.sh)\"" >/usr/bin/update
   chmod +x /usr/bin/update
 }