diff --git a/pkgs/top-level/haskell-defaults.nix b/pkgs/top-level/haskell-defaults.nix
index f747c3669ad..f33defcb809 100644
--- a/pkgs/top-level/haskell-defaults.nix
+++ b/pkgs/top-level/haskell-defaults.nix
@@ -19,6 +19,7 @@
     self : self.haskellPlatformArgs_future self // {
       haskellPlatform = null;
       binary = null; # now a core package
+      extensibleExceptions = self.extensibleExceptions_0_1_1_4;
     };
 
   ghc741Prefs =