diff --git a/pkgs/tools/text/reckon/default.nix b/pkgs/tools/text/reckon/default.nix
index b37928fc7c5b..3af64e39ed17 100644
--- a/pkgs/tools/text/reckon/default.nix
+++ b/pkgs/tools/text/reckon/default.nix
@@ -4,7 +4,7 @@ stdenv.mkDerivation rec {
   pname = "reckon";
   version = (import ./gemset.nix).reckon.version;
 
-  phases = [ "installPhase" ];
+  dontUnpack = true;
 
   nativeBuildInputs = [ makeWrapper ];