diff --git a/pkgs/misc/calaos/installer/default.nix b/pkgs/misc/calaos/installer/default.nix
index 36c8825d27a8..618bc6d85059 100644
--- a/pkgs/misc/calaos/installer/default.nix
+++ b/pkgs/misc/calaos/installer/default.nix
@@ -16,7 +16,10 @@ stdenv.mkDerivation rec {
 
   qmakeFlags = [ "REVISION=${version}" ];
 
-  installPhase = ''
+  installPhase = if stdenv.isDarwin then ''
+    mkdir -p $out/Applications
+    cp -a calaos_installer.app $out/Applications
+  '' else ''
     mkdir -p $out/bin
     cp -a calaos_installer $out/bin
   '';