diff --git a/pkgs/development/python-modules/latex2mathml/default.nix b/pkgs/development/python-modules/latex2mathml/default.nix
index 99d9dcc5fb74..0cf0276a73a0 100644
--- a/pkgs/development/python-modules/latex2mathml/default.nix
+++ b/pkgs/development/python-modules/latex2mathml/default.nix
@@ -11,6 +11,7 @@
 buildPythonPackage rec {
   pname = "latex2mathml";
   version = "3.77.0";
+  pyproject = true;
 
   disabled = pythonOlder "3.8";
 
@@ -21,9 +22,7 @@ buildPythonPackage rec {
     hash = "sha256-DLdSFMsNA0gD6Iw0kn+0IrbvyI0VEGOpz0ZYD48nRkY=";
   };
 
-  format = "pyproject";
-
-  nativeBuildInputs = [
+  build-system = [
     poetry-core
   ];
 
@@ -45,6 +44,7 @@ buildPythonPackage rec {
     homepage = "https://github.com/roniemartinez/latex2mathml";
     changelog = "https://github.com/roniemartinez/latex2mathml/releases/tag/${version}";
     license = licenses.mit;
+    mainProgram = "latex2mathml";
     maintainers = with maintainers; [ sfrijters ];
   };
 }