diff --git a/pkgs/development/python-modules/openstacksdk/tests.nix b/pkgs/development/python-modules/openstacksdk/tests.nix
index aa96ed5ae843..148f76d03529 100644
--- a/pkgs/development/python-modules/openstacksdk/tests.nix
+++ b/pkgs/development/python-modules/openstacksdk/tests.nix
@@ -15,11 +15,9 @@
 
 buildPythonPackage {
   pname = "openstacksdk-tests";
-  inherit (openstacksdk) version;
+  inherit (openstacksdk) version src;
   format = "other";
 
-  src = openstacksdk.src;
-
   dontBuild = true;
   dontInstall = true;