diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index fedba275bff..af6bb9cd181 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -698,7 +698,7 @@ let result = let callPackage = x : y : modifyPrio (newScope result.final x y);
   HaXml_1_22_5 = callPackage ../development/libraries/haskell/HaXml/1.22.5.nix {};
   HaXml113 = self.HaXml_1_13_3;
   HaXml120 = self.HaXml_1_20_2;
-  HaXml123 = self.HaXml_1_22_5;
+  HaXml122 = self.HaXml_1_22_5;
   HaXml    = self.HaXml120;
 
   HDBC = callPackage ../development/libraries/haskell/HDBC/HDBC.nix {};