diff --git a/pkgs/development/python-modules/radio-beam/default.nix b/pkgs/development/python-modules/radio-beam/default.nix
index 6d743125e880..c0e9c31a5eca 100644
--- a/pkgs/development/python-modules/radio-beam/default.nix
+++ b/pkgs/development/python-modules/radio-beam/default.nix
@@ -1,5 +1,6 @@
 { lib
 , fetchPypi
+, fetchpatch2
 , buildPythonPackage
 , setuptools-scm
 , astropy
@@ -21,6 +22,15 @@ buildPythonPackage rec {
     hash = "sha256-7AFkuuYLzibwwgz6zrFw0fBXCnGLzdm4OgT+Chve5jU=";
   };
 
+  # Fix distutils deprecation in Python 3.12. See:
+  # https://github.com/radio-astro-tools/radio-beam/pull/124
+  patches = [
+    (fetchpatch2 {
+      url = "https://github.com/radio-astro-tools/radio-beam/commit/1eb0216c8d7f5a4494d8d1fe8c79b48425a9c491.patch";
+      hash = "sha256-kTJF/cnkJCjJI2psvs+4MWFn/+b8TvUWjdfYu5ot0XU=";
+    })
+  ];
+
   nativeBuildInputs = [
     setuptools-scm
   ];
@@ -50,5 +60,3 @@ buildPythonPackage rec {
     maintainers = with maintainers; [ smaret ];
   };
 }
-
-