diff --git a/pkgs/development/python-modules/pytimeparse/default.nix b/pkgs/development/python-modules/pytimeparse/default.nix
index ac48fe1c240..9aa11a480cd 100644
--- a/pkgs/development/python-modules/pytimeparse/default.nix
+++ b/pkgs/development/python-modules/pytimeparse/default.nix
@@ -9,7 +9,7 @@ buildPythonPackage rec {
       sha256 = "e86136477be924d7e670646a98561957e8ca7308d44841e21f5ddea757556a0a";
     };
 
-    propagatedBuildInputs = [ nose ];
+    checkInputs = [ nose ];
 
     meta = with stdenv.lib; {
       description = "A small Python library to parse various kinds of time expressions";