diff --git a/pkgs/development/haskell-modules/configuration-common.nix b/pkgs/development/haskell-modules/configuration-common.nix
index 46d9bb767422..203398c95d7d 100644
--- a/pkgs/development/haskell-modules/configuration-common.nix
+++ b/pkgs/development/haskell-modules/configuration-common.nix
@@ -1483,7 +1483,7 @@ self: super: {
     addBuildDepend
       (overrideCabal
         (unmarkBroken super.hercules-ci-cli)
-        (drv: { hydraPlatforms = [ super.hercules-ci-cli.meta.platforms ]; }))
+        (drv: { hydraPlatforms = super.hercules-ci-cli.meta.platforms; }))
       super.hercules-ci-optparse-applicative
   );