diff --git a/pkgs/development/python-modules/mediapy/default.nix b/pkgs/development/python-modules/mediapy/default.nix
index 44190b11e599..333f55ce4228 100644
--- a/pkgs/development/python-modules/mediapy/default.nix
+++ b/pkgs/development/python-modules/mediapy/default.nix
@@ -21,6 +21,8 @@ buildPythonPackage rec {
 
   propagatedBuildInputs = [ ipython matplotlib numpy pillow ];
 
+  format = "flit";
+
   pythonImportsCheck = [ "mediapy" ];
 
   meta = with lib; {