diff --git a/pkgs/development/python-modules/xcffib/default.nix b/pkgs/development/python-modules/xcffib/default.nix
index a248a55453c1..453777ab2803 100644
--- a/pkgs/development/python-modules/xcffib/default.nix
+++ b/pkgs/development/python-modules/xcffib/default.nix
@@ -31,6 +31,11 @@ buildPythonPackage rec {
     xorg.xorgserver
   ];
 
+  preCheck = ''
+    # import from $out
+    rm -r xcffib
+  '';
+
   pythonImportsCheck = [ "xcffib" ];
 
   meta = with lib; {