diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
index a190d8e7413..05675062aa6 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.4.x.nix
@@ -774,4 +774,7 @@ self: super: {
   # https://github.com/hslua/hslua-module-text/issues/1
   hslua-module-text = doJailbreak super.hslua-module-text;
 
+  # https://github.com/phadej/tree-diff/issues/15
+  tree-diff = doJailbreak super.tree-diff;
+
 }