diff --git a/pkgs/development/python-modules/circus/default.nix b/pkgs/development/python-modules/circus/default.nix
index e1d975e5b149..392a056df64f 100644
--- a/pkgs/development/python-modules/circus/default.nix
+++ b/pkgs/development/python-modules/circus/default.nix
@@ -83,6 +83,8 @@ buildPythonPackage rec {
 
   pythonImportsCheck = [ "circus" ];
 
+  __darwinAllowLocalNetworking = true;
+
   meta = {
     description = "Process and socket manager";
     homepage = "https://github.com/circus-tent/circus";