From d5b5d763cd5a123c02d43d1e3eaff3141609c9ea Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <eelco.dolstra@logicblox.com>
Date: Wed, 6 Aug 2014 19:44:13 +0200
Subject: [PATCH] Fix evaluation

---
 nixos/modules/testing/test-instrumentation.nix | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nixos/modules/testing/test-instrumentation.nix b/nixos/modules/testing/test-instrumentation.nix
index 2560c1b2daec..54a376c9560e 100644
--- a/nixos/modules/testing/test-instrumentation.nix
+++ b/nixos/modules/testing/test-instrumentation.nix
@@ -98,7 +98,7 @@ let kernel = config.boot.kernelPackages.kernel; in
     networking.usePredictableInterfaceNames = false;
 
     # Make it easy to log in as root when running the test interactively.
-    security.initialRootPassword = "";
+    security.initialRootPassword = mkDefault "";
 
   };