diff --git a/releases/specs/ppc/ppc32/installcd-stage1.spec b/releases/specs/ppc/ppc32/installcd-stage1.spec
index ed789801..aa31edd4 100644
--- a/releases/specs/ppc/ppc32/installcd-stage1.spec
+++ b/releases/specs/ppc/ppc32/installcd-stage1.spec
@@ -5,7 +5,7 @@ rel_type: default
 profile: default/linux/powerpc/ppc32/17.0
 snapshot: @TIMESTAMP@
 source_subpath: default/stage3-ppc-openrc-@TIMESTAMP@
-compression_mode: pixz_x
+compression_mode: pixz
 portage_confdir: @REPO_DIR@/releases/portage/isos
 
 livecd/use:
diff --git a/releases/specs/ppc/ppc32/stage1-openrc.spec b/releases/specs/ppc/ppc32/stage1-openrc.spec
index 0a0bf2c8..a41eb59e 100644
--- a/releases/specs/ppc/ppc32/stage1-openrc.spec
+++ b/releases/specs/ppc/ppc32/stage1-openrc.spec
@@ -5,7 +5,7 @@ rel_type: default
 profile: default/linux/powerpc/ppc32/17.0
 snapshot: @TIMESTAMP@
 source_subpath: default/stage3-ppc-openrc-latest
-compression_mode: pixz_x
+compression_mode: pixz
 update_seed: yes
 update_seed_command: --update --deep --newuse @world --jobs 8 --load-average 12
 portage_confdir: @REPO_DIR@/releases/portage/stages
diff --git a/releases/specs/ppc/ppc32/stage3-musl-hardened-openrc.spec b/releases/specs/ppc/ppc32/stage3-musl-hardened-openrc.spec
index 7ad699cb..69689472 100644
--- a/releases/specs/ppc/ppc32/stage3-musl-hardened-openrc.spec
+++ b/releases/specs/ppc/ppc32/stage3-musl-hardened-openrc.spec
@@ -5,7 +5,7 @@ rel_type: musl-hardened
 profile: default/linux/ppc/17.0/musl/hardened
 snapshot: @TIMESTAMP@
 source_subpath: musl-hardened/stage1-ppc-musl-hardened-openrc-@TIMESTAMP@
-compression_mode: pixz_x
+compression_mode: pixz
 portage_confdir: @REPO_DIR@/releases/portage/stages-musl
 portage_prefix: releng
 repos: /var/db/repos/musl
diff --git a/releases/specs/ppc/ppc32/stage3-openrc.spec b/releases/specs/ppc/ppc32/stage3-openrc.spec
index 7acd7cb1..f56cb34f 100644
--- a/releases/specs/ppc/ppc32/stage3-openrc.spec
+++ b/releases/specs/ppc/ppc32/stage3-openrc.spec
@@ -5,6 +5,6 @@ rel_type: default
 profile: default/linux/powerpc/ppc32/17.0
 snapshot: @TIMESTAMP@
 source_subpath: default/stage1-ppc-openrc-@TIMESTAMP@
-compression_mode: pixz_x
+compression_mode: pixz
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng
diff --git a/releases/specs/ppc/ppc64/stage1-musl-hardened-openrc.spec b/releases/specs/ppc/ppc64/stage1-musl-hardened-openrc.spec
index f6ef29d7..c93a9f0a 100644
--- a/releases/specs/ppc/ppc64/stage1-musl-hardened-openrc.spec
+++ b/releases/specs/ppc/ppc64/stage1-musl-hardened-openrc.spec
@@ -6,7 +6,7 @@ profile: default/linux/ppc64/17.0/musl/hardened
 snapshot: @TIMESTAMP@
 source_subpath: musl-hardened/stage3-ppc64-musl-hardened-openrc-latest
 chost: powerpc64-gentoo-linux-musl
-compression_mode: pixz_x
+compression_mode: pixz
 update_seed: yes
 update_seed_command: --update --deep --newuse @world --jobs 8 --load-average 12
 portage_confdir: @REPO_DIR@/releases/portage/stages-musl
diff --git a/releases/specs/ppc/ppc64/stage1-openrc.spec b/releases/specs/ppc/ppc64/stage1-openrc.spec
index dafd4aff..44a57e68 100644
--- a/releases/specs/ppc/ppc64/stage1-openrc.spec
+++ b/releases/specs/ppc/ppc64/stage1-openrc.spec
@@ -5,7 +5,7 @@ rel_type: default
 profile: default/linux/ppc64/17.0
 snapshot: @TIMESTAMP@
 source_subpath: default/stage3-ppc64-openrc-latest
-compression_mode: pixz_x
+compression_mode: pixz
 update_seed: yes
 update_seed_command: --update --deep --newuse @world --jobs 8 --load-average 12
 portage_confdir: @REPO_DIR@/releases/portage/stages
diff --git a/releases/specs/ppc/ppc64/stage1-systemd.spec b/releases/specs/ppc/ppc64/stage1-systemd.spec
index 9558b63a..ae151295 100644
--- a/releases/specs/ppc/ppc64/stage1-systemd.spec
+++ b/releases/specs/ppc/ppc64/stage1-systemd.spec
@@ -5,7 +5,7 @@ rel_type: default
 profile: default/linux/ppc64/17.0/systemd
 snapshot: @TIMESTAMP@
 source_subpath: default/stage3-ppc64-systemd-latest
-compression_mode: pixz_x
+compression_mode: pixz
 update_seed: yes
 update_seed_command: --update --deep --newuse @world --jobs 8 --load-average 12
 portage_confdir: @REPO_DIR@/releases/portage/stages
diff --git a/releases/specs/ppc/ppc64/stage3-musl-hardened-openrc.spec b/releases/specs/ppc/ppc64/stage3-musl-hardened-openrc.spec
index 173c57f5..720e7688 100644
--- a/releases/specs/ppc/ppc64/stage3-musl-hardened-openrc.spec
+++ b/releases/specs/ppc/ppc64/stage3-musl-hardened-openrc.spec
@@ -5,7 +5,7 @@ rel_type: musl-hardened
 profile: default/linux/ppc64/17.0/musl/hardened
 snapshot: @TIMESTAMP@
 source_subpath: musl-hardened/stage1-ppc64-musl-hardened-openrc-@TIMESTAMP@
-compression_mode: pixz_x
+compression_mode: pixz
 portage_confdir: @REPO_DIR@/releases/portage/stages-musl
 portage_prefix: releng
 repos: /var/db/repos/musl
diff --git a/releases/specs/ppc/ppc64/stage3-openrc.spec b/releases/specs/ppc/ppc64/stage3-openrc.spec
index d860a420..6658eb3f 100644
--- a/releases/specs/ppc/ppc64/stage3-openrc.spec
+++ b/releases/specs/ppc/ppc64/stage3-openrc.spec
@@ -5,6 +5,6 @@ rel_type: default
 profile: default/linux/ppc64/17.0
 snapshot: @TIMESTAMP@
 source_subpath: default/stage1-ppc64-openrc-@TIMESTAMP@
-compression_mode: pixz_x
+compression_mode: pixz
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng
diff --git a/releases/specs/ppc/ppc64/stage3-systemd.spec b/releases/specs/ppc/ppc64/stage3-systemd.spec
index a714c302..4b811553 100644
--- a/releases/specs/ppc/ppc64/stage3-systemd.spec
+++ b/releases/specs/ppc/ppc64/stage3-systemd.spec
@@ -5,6 +5,6 @@ rel_type: default
 profile: default/linux/ppc64/17.0/systemd
 snapshot: @TIMESTAMP@
 source_subpath: default/stage1-ppc64-systemd-@TIMESTAMP@
-compression_mode: pixz_x
+compression_mode: pixz
 portage_confdir: @REPO_DIR@/releases/portage/stages
 portage_prefix: releng