diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 9a252bbc0f2..f2d6e28de4b 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1782,6 +1782,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
 
   xmonadExtras = callPackage ../applications/window-managers/xmonad/xmonad-extras.nix {
     X11 = self.X11_1_5_0_1;
+    split = self.split_0_1;
   };
 
   # Tools.