diff --git a/provider.ldap.tf b/provider.ldap.tf
index 4e23c01..f3b95f5 100644
--- a/provider.ldap.tf
+++ b/provider.ldap.tf
@@ -1,9 +1,9 @@
 provider "ldap" {
-  url = format("ldaps://%v:%v", var.ldap_host, var.ldap_port)
+  url = format("%v://%v:%v", var.ldap_port == 389 ? "ldap" : "ldaps", var.ldap_host, var.ldap_port)
   #  ldap_host     = var.ldap_host
   #  ldap_port     = var.ldap_port
   #  use_tls       = true
-  use_starttls  = true
+  use_starttls  = var.ldap_port == 636 ? false : true
   bind_user     = var.ldap_user
   bind_password = var.ldap_password
 }