diff --git a/package.nix b/package.nix
index 3a517f0..e025894 100644
--- a/package.nix
+++ b/package.nix
@@ -101,8 +101,8 @@ in
 
     src =
       if stdenv.hostPlatform.isDarwin
-      then fetchurl {inherit (variant) url; hash = sha256;}
-      else fetchzip {inherit (variant) url; hash = sha256;};
+      then fetchurl {inherit (variant) url; hash = variant.sha256;}
+      else fetchzip {inherit (variant) url; hash = variant.sha256;};
 
     sourceRoot = lib.optionalString stdenv.hostPlatform.isDarwin ".";