diff --git a/pkgs/applications/networking/browsers/amfora/default.nix b/pkgs/applications/networking/browsers/amfora/default.nix
index e309f9a3562..e951f4c53c0 100644
--- a/pkgs/applications/networking/browsers/amfora/default.nix
+++ b/pkgs/applications/networking/browsers/amfora/default.nix
@@ -1,4 +1,4 @@
-{ lib, fetchFromGitHub, buildGoModule }:
+{ stdenv, lib, fetchFromGitHub, buildGoModule }:
 
 buildGoModule rec {
   pname = "amfora";
@@ -13,7 +13,7 @@ buildGoModule rec {
 
   vendorSha256 = "rOEM7iEkm42g8yJxY7qdTCSbkPMDHqlAsK7/ud8IDLY=";
 
-  postInstall = ''
+  postInstall = lib.optionalString (!stdenv.isDarwin) ''
     sed -i "s:amfora:$out/bin/amfora:" amfora.desktop
     install -Dm644 amfora.desktop -t $out/share/applications
   '';