diff --git a/pkgs/development/python-modules/pytest-freezegun/default.nix b/pkgs/development/python-modules/pytest-freezegun/default.nix
index 424d8fde2326..e5fbb6bb0707 100644
--- a/pkgs/development/python-modules/pytest-freezegun/default.nix
+++ b/pkgs/development/python-modules/pytest-freezegun/default.nix
@@ -1,18 +1,21 @@
 { lib
 , buildPythonPackage
-, fetchPypi
+, isPy27
+, fetchFromGitHub
 , freezegun
 , pytest
+, pytestCheckHook
 }:
 
 buildPythonPackage rec {
   pname = "pytest-freezegun";
   version = "0.4.2";
 
-  src = fetchPypi {
-    inherit pname version;
-    extension = "zip";
-    sha256 = "19c82d5633751bf3ec92caa481fb5cffaac1787bd485f0df6436fd6242176949";
+  src = fetchFromGitHub {
+    owner = "ktosiek";
+    repo = "pytest-freezegun";
+    rev = version;
+    sha256 = "10c4pbh03b4s1q8cjd75lr0fvyf9id0zmdk29566qqsmaz28npas";
   };
 
   propagatedBuildInputs = [
@@ -20,6 +23,10 @@ buildPythonPackage rec {
     pytest
   ];
 
+  checkInputs = [
+    pytestCheckHook
+  ];
+
   meta = with lib; {
     description = "Wrap tests with fixtures in freeze_time";
     homepage = "https://github.com/ktosiek/pytest-freezegun";