diff --git a/stage3.spec b/stage3.spec
index fe4cc25..5d7d1ba 100644
--- a/stage3.spec
+++ b/stage3.spec
@@ -10,6 +10,9 @@ portage_confdir: /var/lib/catalyst/portage-conf
 # Name of the "seed" stage3 file to use
 #source_subpath: default/stage3-amd64-latest
 source_subpath: default/stage2-amd64-latest
+# Compression used for archives
+compression_mode: pixz_x
+decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 # Name of the portage snapshot to use
 snapshot: latest
 # Timestamp to use on your resulting stage3 file