diff --git a/pkgs/development/python-modules/brotlipy/default.nix b/pkgs/development/python-modules/brotlipy/default.nix
index f914d2d6c97c..2cc918b288ce 100644
--- a/pkgs/development/python-modules/brotlipy/default.nix
+++ b/pkgs/development/python-modules/brotlipy/default.nix
@@ -19,6 +19,8 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ cffi enum34 construct ];
 
+  propagatedNativeBuildInputs = [ cffi ];
+
   checkInputs = [ pytest hypothesis ];
 
   checkPhase = ''