diff --git a/releases/weekly/specs/sparc/sparc64/installcd-stage1.spec b/releases/weekly/specs/sparc/sparc64/installcd-stage1.spec
index c7e43186..a39114c4 100644
--- a/releases/weekly/specs/sparc/sparc64/installcd-stage1.spec
+++ b/releases/weekly/specs/sparc/sparc64/installcd-stage1.spec
@@ -5,7 +5,7 @@ rel_type: default
 profile: default/linux/sparc/17.0
 snapshot: latest
 source_subpath: default/stage3-sparc64-latest
-compression_mode: pixz_x
+compression_mode: xz_x
 portage_confdir: @REPO_DIR@/releases/weekly/portage/isos
 
 livecd/use:
diff --git a/releases/weekly/specs/sparc/sparc64/stage1.spec b/releases/weekly/specs/sparc/sparc64/stage1.spec
index 1574c40a..8e6b2b94 100644
--- a/releases/weekly/specs/sparc/sparc64/stage1.spec
+++ b/releases/weekly/specs/sparc/sparc64/stage1.spec
@@ -5,7 +5,7 @@ rel_type: default
 profile: default/linux/sparc/17.0
 snapshot: latest
 source_subpath: default/stage3-sparc64-latest
-compression_mode: pixz_x
+compression_mode: xz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 update_seed: yes
 update_seed_command: --update --deep @world
diff --git a/releases/weekly/specs/sparc/sparc64/stage2.spec b/releases/weekly/specs/sparc/sparc64/stage2.spec
index a9a53cb8..023b28a3 100644
--- a/releases/weekly/specs/sparc/sparc64/stage2.spec
+++ b/releases/weekly/specs/sparc/sparc64/stage2.spec
@@ -5,7 +5,7 @@ rel_type: default
 profile: default/linux/sparc/17.0
 snapshot: latest
 source_subpath: default/stage1-sparc64-latest
-compression_mode: pixz_x
+compression_mode: xz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 portage_confdir: @REPO_DIR@/releases/weekly/portage/stages
 portage_prefix: releng
diff --git a/releases/weekly/specs/sparc/sparc64/stage3.spec b/releases/weekly/specs/sparc/sparc64/stage3.spec
index 4883b558..9606b5a0 100644
--- a/releases/weekly/specs/sparc/sparc64/stage3.spec
+++ b/releases/weekly/specs/sparc/sparc64/stage3.spec
@@ -5,7 +5,7 @@ rel_type: default
 profile: default/linux/sparc/17.0
 snapshot: latest
 source_subpath: default/stage2-sparc64-latest
-compression_mode: pixz_x
+compression_mode: xz_x
 decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 portage_confdir: @REPO_DIR@/releases/weekly/portage/stages
 portage_prefix: releng