diff --git a/pkgs/unbound-zones-adblock/default.nix b/pkgs/unbound-zones-adblock/default.nix
index 2f7ac3f..845c123 100644
--- a/pkgs/unbound-zones-adblock/default.nix
+++ b/pkgs/unbound-zones-adblock/default.nix
@@ -5,7 +5,7 @@ stdenvNoCC.mkDerivation rec {
 
   src = unified-hosts-lists;
 
-  phases = [ "installPhase" ];
+  dontUnpack = true;
 
   installPhase =
     let