diff --git a/pkgs/development/haskell-modules/configuration-ghcjs-9.x.nix b/pkgs/development/haskell-modules/configuration-ghcjs-9.x.nix
index aeeb55cde946..1f5a62549b78 100644
--- a/pkgs/development/haskell-modules/configuration-ghcjs-9.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghcjs-9.x.nix
@@ -23,5 +23,5 @@ with haskellLib;
 
   reflex-dom = super.reflex-dom.override (drv: {
     jsaddle-webkit2gtk = null;
-  }) ;
+  });
 })