diff --git a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
index 1f7bcc6e95ec..952c836d6788 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
@@ -70,7 +70,7 @@ self: super: {
       sha256 = "1p1pinca33vd10iy7hl20c1fc99vharcgcai6z3ngqbq50k2pd3q";
     };
   };
-  vector-th-unbox = appendPatch super.vector-th-unbox (pkgs.fetchpatch {
+  vector-th-unbox = appendPatch (doJailbreak super.vector-th-unbox) (pkgs.fetchpatch {
     url = "https://raw.githubusercontent.com/hvr/head.hackage/master/patches/vector-th-unbox-0.2.1.6.patch";
     sha256 = "0169yf9ms1g5mmkc5l6hpffzm34zdrqdng4df02nbdmfgba45h19";
   });