diff --git a/pkgs/development/tools/jsduck/default.nix b/pkgs/development/tools/jsduck/default.nix
index 15a3a6834034..5c11b87f76ff 100644
--- a/pkgs/development/tools/jsduck/default.nix
+++ b/pkgs/development/tools/jsduck/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
     gemset = ./gemset.nix;
   };
 
-  phases = [ "installPhase" ];
+  dontUnpack = true;
 
   nativeBuildInputs = [ makeWrapper ];
   buildInputs = [ env ];