diff --git a/package.nix b/package.nix
index da3e544..d0e27b5 100644
--- a/package.nix
+++ b/package.nix
@@ -36,6 +36,9 @@ in rustPlatform.buildRustPackage rec {
 
   ATTIC_DISTRIBUTOR = "attic";
 
+  # Hack to fix linking on macOS.
+  NIX_CFLAGS_LINK = lib.optionalString stdenv.isDarwin "-lc++abi";
+
   # Recursive Nix is not stable yet
   doCheck = false;