diff --git a/pkgs/development/libraries/haskell/hakyll/default.nix b/pkgs/development/libraries/haskell/hakyll/default.nix
index 8dfeb9413d3..8908597d488 100644
--- a/pkgs/development/libraries/haskell/hakyll/default.nix
+++ b/pkgs/development/libraries/haskell/hakyll/default.nix
@@ -12,6 +12,9 @@ cabal.mkDerivation (self: {
     mtl pandoc parsec regexBase regexTdfa snapCore snapServer tagsoup
     text time
   ];
+  patchPhase = ''
+    sed -i hakyll.cabal -e 's|hamlet.*,|hamlet,|'
+  '';
   meta = {
     homepage = "http://jaspervdj.be/hakyll";
     description = "A static website compiler library";