diff --git a/pkgs/development/python-modules/peft/default.nix b/pkgs/development/python-modules/peft/default.nix
index ad2727b4de94..c0acbfd1ac70 100644
--- a/pkgs/development/python-modules/peft/default.nix
+++ b/pkgs/development/python-modules/peft/default.nix
@@ -2,6 +2,7 @@
   lib,
   buildPythonPackage,
   fetchFromGitHub,
+  stdenv,
 
   # build-system
   setuptools,
@@ -69,6 +70,11 @@ buildPythonPackage rec {
 
   pytestFlagsArray = [ "tests" ];
 
+  # These tests fail when MPS devices are detected
+  disabledTests = lib.optional stdenv.isDarwin [
+    "gpu"
+  ];
+
   disabledTestPaths = [
     # ValueError: Can't find 'adapter_config.json'
     "tests/test_config.py"