diff --git a/pkgs/development/python-modules/python-dbusmock/default.nix b/pkgs/development/python-modules/python-dbusmock/default.nix
index dd5e15eb66eb..256306aa646b 100644
--- a/pkgs/development/python-modules/python-dbusmock/default.nix
+++ b/pkgs/development/python-modules/python-dbusmock/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  fetchpatch,
   runCommand,
 
   # build-system
@@ -40,6 +41,14 @@ buildPythonPackage rec {
     hash = "sha256-t8gMBebqVVij6R2KEOq3/j1ql4ZiVdE5236uqGUchE0=";
   };
 
+  patches = [
+    (fetchpatch {
+      name = "musl.patch";
+      url = "https://github.com/martinpitt/python-dbusmock/commit/1a8d8722068ef7e5f061336047a72d1a0f253b98.patch";
+      hash = "sha256-0j3UXsTMDh1+UolkmoLQXlwHXve81yKiGJ7gDWNZVPY=";
+    })
+  ];
+
   build-system = [
     setuptools
     setuptools-scm