diff --git a/pkgs/development/libraries/haskell/blaze-html/default.nix b/pkgs/development/libraries/haskell/blaze-html/default.nix
index ee1b686493c..bec48f8e44f 100644
--- a/pkgs/development/libraries/haskell/blaze-html/default.nix
+++ b/pkgs/development/libraries/haskell/blaze-html/default.nix
@@ -11,6 +11,9 @@ cabal.mkDerivation (self: {
     blazeBuilder blazeMarkup HUnit QuickCheck testFramework
     testFrameworkHunit testFrameworkQuickcheck2 text
   ];
+  patchPhase = ''
+    sed -i -e 's|blaze-markup.*>=.*,|blaze-markup,|' blaze-html.cabal
+  '';
   meta = {
     homepage = "http://jaspervdj.be/blaze";
     description = "A blazingly fast HTML combinator library for Haskell";