diff --git a/nixos/lib/make-system-tarball.nix b/nixos/lib/make-system-tarball.nix
index dab168f4a481..325792f97e8f 100644
--- a/nixos/lib/make-system-tarball.nix
+++ b/nixos/lib/make-system-tarball.nix
@@ -22,7 +22,7 @@
   # Extra tar arguments
 , extraArgs ? ""
   # Command used for compression
-, compressCommand ? "pixz"
+, compressCommand ? "pixz -t"
   # Extension for the compressed tarball
 , compressionExtension ? ".xz"
   # extra inputs, like the compressor to use