diff --git a/mastodon.nix b/mastodon.nix
index 3535b91..fc40a1d 100644
--- a/mastodon.nix
+++ b/mastodon.nix
@@ -10,10 +10,10 @@ let
       version = mastodon-source.version;
       yarnHash = mastodon-source.yarnHash;
       src = pkgs.fetchFromGitHub {
-        owner = mastodon-source.src.owner;
-        repo = mastodon-source.src.repo;
-        rev = mastodon-source.src.rev;
-        hash = mastodon-source.src.outputHash;
+        owner = mastodon-source.owner;
+        repo = mastodon-source.repo;
+        rev = mastodon-source.rev;
+        hash = mastodon-source.outputHash;
       };
       patches = [
         ./patches/logo.patch
@@ -32,7 +32,7 @@ let
 
         ./patches/simple-form.patch
         ./patches/not-so-scary-500.patch
-      ] ++ mastodon-source.src.patches;
+      ] ++ mastodon-source.patches;
       postPatch = (import ./branding.nix { pkgs = pkgs; }).branding;
     };
   };