diff --git a/pkgs/top-level/haskell-defaults.nix b/pkgs/top-level/haskell-defaults.nix
index 3589be3c682..19fcb98c82d 100644
--- a/pkgs/top-level/haskell-defaults.nix
+++ b/pkgs/top-level/haskell-defaults.nix
@@ -19,6 +19,8 @@
     self : self.haskellPlatformArgs_future self // {
       haskellPlatform = null;
       extensibleExceptions = self.extensibleExceptions_0_1_1_4;
+      cabalInstall_1_18_0_2 = self.cabalInstall_1_18_0_2.override { Cabal = null; };
+      cabalInstall = self.cabalInstall_1_18_0_2.override { Cabal = null; };
     };
 
   ghc763Prefs =