diff --git a/flake.nix b/flake.nix
index e28b54a7bc498dd8e09ef902a25de9c554fefbda..2e2f13c2881704834a82a6532a7301b1e4bef7bd 100644
--- a/flake.nix
+++ b/flake.nix
@@ -36,7 +36,7 @@
         let
 
           make-foliage-repo = writeBashBin "make-foliage-repo" ''
-            echo $FOLIAGE_KEYS | base64 -d | tar xz -C _keys
+            echo $FOLIAGE_KEYS | base64 -d | tar xvf -C _keys
             ${horizon-core.packages.${system}.foliage}/bin/foliage -- build
             ls _repo/* -alh
           '';