diff --git a/pkgs/development/libraries/haskell/QuickCheck/2.7.1.nix b/pkgs/development/libraries/haskell/QuickCheck/2.7.1.nix
index 6d449871e01..85829093c34 100644
--- a/pkgs/development/libraries/haskell/QuickCheck/2.7.1.nix
+++ b/pkgs/development/libraries/haskell/QuickCheck/2.7.1.nix
@@ -6,6 +6,9 @@ cabal.mkDerivation (self: {
   sha256 = "1hk19q7lfvja7g626hbbq0xs30zsgjpqfalgmdr24fy8sgdchm21";
   buildDepends = [ random tfRandom ];
   testDepends = [ testFramework ];
+  patchPhase = ''
+    sed -i -e 's|QuickCheck == .*,|QuickCheck,|' QuickCheck.cabal
+  '';
   meta = {
     homepage = "http://code.haskell.org/QuickCheck";
     description = "Automatic testing of Haskell programs";