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-rw-r--r--pkgs/development/haskell-modules/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/haskell-modules/default.nix b/pkgs/development/haskell-modules/default.nix
index cf30a7699ed62..31b20ab19f368 100644
--- a/pkgs/development/haskell-modules/default.nix
+++ b/pkgs/development/haskell-modules/default.nix
@@ -87,7 +87,7 @@ let
         # Creates a Haskell package from a source package by calling cabal2nix on the source.
         callCabal2nix = src: self.callPackage (haskellSrc2nix {
           inherit src;
-          name = src.name;
+          name = src.name or baseNameOf src;
         });
 
         ghcWithPackages = selectFrom: withPackages (selectFrom self);