From 9bf2c6a8ab2f910fa23b71f7f2b680c54a57a02e Mon Sep 17 00:00:00 2001
From: Michael Raskin <7c6f434c@mail.ru>
Date: Sat, 27 Jun 2015 11:40:38 +0300
Subject: [PATCH] Fix wrong condition related to enableKerberos

---
 pkgs/servers/samba/4.x.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkgs/servers/samba/4.x.nix b/pkgs/servers/samba/4.x.nix
index 269ba2ec186f..ab3aac54cddf 100644
--- a/pkgs/servers/samba/4.x.nix
+++ b/pkgs/servers/samba/4.x.nix
@@ -65,7 +65,7 @@ stdenv.mkDerivation rec {
       "--private-libraries=NONE"
       "--builtin-libraries=replace"
     ]
-    ++ optional (enableKerberos != null && kerberos.implementation == "krb5") "--with-system-mitkrb5"
+    ++ optional (enableKerberos && kerberos.implementation == "krb5") "--with-system-mitkrb5"
     ++ optional (!enableDomainController) "--without-ad-dc"
     ++ optionals (!enableLDAP) [ "--without-ldap" "--without-ads" ];