diff --git a/dist.nix b/dist.nix
index 82909a7..a71d8a9 100644
--- a/dist.nix
+++ b/dist.nix
@@ -20,6 +20,8 @@ stdenv.mkDerivation {
     export PATH="${nodeDependencies}/bin:$PATH"
 
     npm run build
-    cp -r dist $out/
+  '';
+  installPhase = ''
+  cp -r dist $out/
   '';
 }
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