diff --git a/pkgs/tools/audio/beets/builtin-plugins.nix b/pkgs/tools/audio/beets/builtin-plugins.nix
index 21b949affbb4..c3fdf753c72c 100644
--- a/pkgs/tools/audio/beets/builtin-plugins.nix
+++ b/pkgs/tools/audio/beets/builtin-plugins.nix
@@ -180,5 +180,7 @@
   _typing = {
     testPaths = [ ];
   };
-  _utils = { };
+  _utils = {
+    testPaths = [ ];
+  };
 }