diff --git a/portainer/rootfs/etc/services.d/portainer/run b/portainer/rootfs/etc/services.d/portainer/run
index 7e0af09b8..f8707df3a 100644
--- a/portainer/rootfs/etc/services.d/portainer/run
+++ b/portainer/rootfs/etc/services.d/portainer/run
@@ -63,7 +63,7 @@ if bashio::fs.file_exists "/data/hidden"; then
 fi
 
 # Define option
-if [ ${#detect} -ge 2 ] ; then
+if [ ${#PASSWORD} -ge 2 ] ; then
   # More than 2 letters, set password
   echo -n $PASSWORD > /data/portainer_password
   options+=(--admin-password-file /data/portainer_password)