diff --git a/pkgs/development/python-modules/ffmpy/default.nix b/pkgs/development/python-modules/ffmpy/default.nix
index 974e2bcd8fda..880a8f84ee75 100644
--- a/pkgs/development/python-modules/ffmpy/default.nix
+++ b/pkgs/development/python-modules/ffmpy/default.nix
@@ -1,4 +1,5 @@
 { lib
+, stdenv
 , buildPythonPackage
 , fetchFromGitHub
 , pythonOlder
@@ -44,6 +45,11 @@ buildPythonPackage rec {
     go
   ];
 
+  disabledTests = lib.optionals stdenv.isDarwin [
+    # expects a FFExecutableNotFoundError, gets a NotADirectoryError raised by os
+    "test_invalid_executable_path"
+  ];
+
   # the vendored ffmpeg mock binary assumes FHS
   preCheck = ''
     rm -v tests/ffmpeg/ffmpeg