diff --git a/pkgs/by-name/po/postfix-tlspol/package.nix b/pkgs/by-name/po/postfix-tlspol/package.nix
index 7afaaf2c3c81..e8cf6fae0bff 100644
--- a/pkgs/by-name/po/postfix-tlspol/package.nix
+++ b/pkgs/by-name/po/postfix-tlspol/package.nix
@@ -37,5 +37,6 @@ buildGoModule rec {
       valodim
     ];
     mainProgram = "postfix-tlspol";
+    platforms = lib.platforms.linux;
   };
 }