diff --git a/pkgs/development/python-modules/lark/default.nix b/pkgs/development/python-modules/lark/default.nix
index 5366311fed3c..50f74dc2d811 100644
--- a/pkgs/development/python-modules/lark/default.nix
+++ b/pkgs/development/python-modules/lark/default.nix
@@ -3,6 +3,7 @@
 , fetchFromGitHub
 , regex
 , pytestCheckHook
+, pythonOlder
 , js2py
 , setuptools
 }:
@@ -33,6 +34,9 @@ buildPythonPackage rec {
     "lark.grammars"
   ];
 
+  # Js2py is not supported on 3.12
+  doCheck = pythonOlder "3.12";
+
   nativeCheckInputs = [
     js2py
     pytestCheckHook