diff --git a/pkgs/development/haskell-modules/configuration-ghcjs-9.x.nix b/pkgs/development/haskell-modules/configuration-ghcjs-9.x.nix
index a452a6bd1a9c..5634e8bd7e51 100644
--- a/pkgs/development/haskell-modules/configuration-ghcjs-9.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghcjs-9.x.nix
@@ -35,11 +35,9 @@ with haskellLib;
   patch = haskellLib.disableParallelBuilding super.patch;
   reflex-dom-core = haskellLib.disableParallelBuilding super.reflex-dom-core;
 
-  reflex-dom =
-    super.reflex-dom.override
-    (drv: {
-      jsaddle-webkit2gtk = null;
-    });
+  reflex-dom = super.reflex-dom.override (drv: {
+    jsaddle-webkit2gtk = null;
+  });
 
   miso-examples = pkgs.lib.pipe super.miso-examples [
     (addBuildDepends (