1 files changed, 2 insertions, 2 deletions
diff --git a/pkgs/development/libraries/haskell/MaybeT/default.nix b/pkgs/development/libraries/haskell/MaybeT/default.nix
index 348560508622b..1d797c908b12e 100644
--- a/pkgs/development/libraries/haskell/MaybeT/default.nix
+++ b/pkgs/development/libraries/haskell/MaybeT/default.nix
@@ -1,10 +1,10 @@
-{ cabal, mtl }:
+{ cabal, Cabal, mtl }:
 
 cabal.mkDerivation (self: {
   pname = "MaybeT";
   version = "0.1.2";
   sha256 = "995e61165122656807d84174e5c1516340fd7ddeba6571c20751352a8476b632";
-  buildDepends = [ mtl ];
+  buildDepends = [ Cabal mtl ];
   meta = {
     description = "MaybeT monad transformer";
     license = self.stdenv.lib.licenses.bsd3;