diff --git a/pkgs/shells/zsh/default.nix b/pkgs/shells/zsh/default.nix
index 704527d28c7b..d187c50f2515 100644
--- a/pkgs/shells/zsh/default.nix
+++ b/pkgs/shells/zsh/default.nix
@@ -70,6 +70,6 @@ EOF
     license = "MIT-like";
     homePage = "http://www.zsh.org/";
     maintainers = with stdenv.lib.maintainers; [ chaoflow ];
-    platforms = stdenv.lib.platforms.gnu;  # arbitrary choice
+    platforms = stdenv.lib.platforms.unix;
   };
 }