diff --git a/pkgs/by-name/ma/mastodon/source.nix b/pkgs/by-name/ma/mastodon/source.nix
index 98237d1aee57..cf938f6c2ade 100644
--- a/pkgs/by-name/ma/mastodon/source.nix
+++ b/pkgs/by-name/ma/mastodon/source.nix
@@ -19,5 +19,5 @@ applyPatches {
       yarnMissingHashes = ./missing-hashes.json;
     };
   };
-  patches = [ ];
+  patches = patches ++ [ ];
 }