diff --git a/pkgs/top-level/release-haskell.nix b/pkgs/top-level/release-haskell.nix
index c69d03d0ef7f..ef2a8737e677 100644
--- a/pkgs/top-level/release-haskell.nix
+++ b/pkgs/top-level/release-haskell.nix
@@ -9,7 +9,7 @@
 
   $ hydra-eval-jobs -I . pkgs/top-level/release-haskell.nix
 */
-{ supportedSystems ? [ "x86_64-linux" /* "x86_64-darwin" */ "aarch64-linux" ] }:
+{ supportedSystems ? [ "x86_64-linux" "x86_64-darwin" "aarch64-linux" ] }:
 
 let