diff --git a/pkgs/tools/audio/beets/plugins/alternatives.nix b/pkgs/tools/audio/beets/plugins/alternatives.nix
index 6bc2a62d8857..6085a82064f8 100644
--- a/pkgs/tools/audio/beets/plugins/alternatives.nix
+++ b/pkgs/tools/audio/beets/plugins/alternatives.nix
@@ -30,12 +30,12 @@ python3Packages.buildPythonApplication rec {
     })
   ];
 
-  nativeBuildInputs = [
-    beets
+  build-system = [
+    python3Packages.poetry-core
   ];
 
-  dependencies = [
-    python3Packages.poetry-core
+  nativeBuildInputs = [
+    beets
   ];
 
   nativeCheckInputs =