diff --git a/pkgs/development/node-packages/overrides.nix b/pkgs/development/node-packages/overrides.nix
index 6b14a4612b1a..51648536ea58 100644
--- a/pkgs/development/node-packages/overrides.nix
+++ b/pkgs/development/node-packages/overrides.nix
@@ -450,11 +450,10 @@ final: prev: {
     #
     # Need to wrap the source, instead of patching in patchPhase, because
     # buildNodePackage only unpacks sources in the installPhase.
-    src = stdenv.mkDerivation {
+    src = pkgs.srcOnly {
       src = oldAttrs.src;
-      name = oldAttrs.name + "-src";
+      name = oldAttrs.name;
       patchPhase = "chmod a-x readable.ts";
-      installPhase = ''cp -r . "$out"'';
     };
 
     nativeBuildInputs = [ pkgs.pkg-config ];