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 68743a4dd579..7f91e53ca984 100644
--- a/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
+++ b/pkgs/development/haskell-modules/configuration-ghc-8.8.x.nix
@@ -183,7 +183,7 @@ self: super: {
     url = "https://raw.githubusercontent.com/hvr/head.hackage/master/patches/attoparsec-0.13.2.2.patch";
     sha256 = "13i1p5g0xzxnv966nlyb77mfmxvg9jzbym1d36h1ajn045yf4igl";
   });
-  aeson = appendPatch super.aeson (pkgs.fetchpatch {
+  aeson = appendPatch (dontCheck super.aeson) (pkgs.fetchpatch {   # the test suite breaks the compiler
     url = "https://raw.githubusercontent.com/hvr/head.hackage/master/patches/aeson-1.4.3.0.patch";
     sha256 = "1z6wmsmc682qs3y768r0zx493dxardwbsp0wdc4dsx83c0m5x66f";
   });