diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 2b13db0925d..ad81b7cdbfe 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -13440,12 +13440,15 @@ in {
       url = "https://github.com/openstack/pylockfile/archive/${version}.tar.gz";
     };
 
-    doCheck = true;
     OSLO_PACKAGE_VERSION = "${version}";
     buildInputs = with self; [
       pbr nose sphinx_1_2
     ];
 
+    checkPhase = ''
+      nosetests
+    '';
+
     meta = {
       homepage = http://launchpad.net/pylockfile;
       description = "Platform-independent advisory file locking capability for Python applications";