diff --git a/pkgs/development/python-modules/proton-client/default.nix b/pkgs/development/python-modules/proton-client/default.nix
index ca68c8cb54c..914f12a1546 100644
--- a/pkgs/development/python-modules/proton-client/default.nix
+++ b/pkgs/development/python-modules/proton-client/default.nix
@@ -56,5 +56,6 @@ buildPythonPackage rec {
     homepage = "https://github.com/ProtonMail/proton-python-client";
     license = licenses.gpl3Only;
     maintainers = with maintainers; [ wolfangaukang ];
+    platforms = platforms.linux;
   };
 }