diff --git a/releases/specs/ppc/ppc64le/installcd-stage2-minimal.spec b/releases/specs/ppc/ppc64le/installcd-stage2-minimal.spec
index ec910850..74c01240 100644
--- a/releases/specs/ppc/ppc64le/installcd-stage2-minimal.spec
+++ b/releases/specs/ppc/ppc64le/installcd-stage2-minimal.spec
@@ -5,6 +5,7 @@ rel_type: default
 profile: default/linux/ppc64le/17.0
 snapshot: @TIMESTAMP@
 source_subpath: default/livecd-stage1-ppc64le-@TIMESTAMP@
+compression_mode: pixz_x
 portage_confdir: @REPO_DIR@/releases/portage/isos
 
 livecd/fstype: squashfs