diff --git a/pkgs/top-level/haskell-packages.nix b/pkgs/top-level/haskell-packages.nix
index 73d5f060f354..63404d854767 100644
--- a/pkgs/top-level/haskell-packages.nix
+++ b/pkgs/top-level/haskell-packages.nix
@@ -1104,7 +1104,7 @@ self : let callPackage = x : y : modifyPrio (newScope self x y); in
 
   hmatrix = callPackage ../development/libraries/haskell/hmatrix {};
 
-  hmatrix-special = callPackage ../development/libraries/haskell/hmatrix-special {};
+  hmatrixSpecial = callPackage ../development/libraries/haskell/hmatrix-special {};
 
   hoauth = callPackage ../development/libraries/haskell/hoauth {};