diff --git a/releases/weekly/specs/amd64/hardened/stage4-minimal.spec b/releases/weekly/specs/amd64/hardened/stage4-minimal.spec
index a69971ea..084b223e 100644
--- a/releases/weekly/specs/amd64/hardened/stage4-minimal.spec
+++ b/releases/weekly/specs/amd64/hardened/stage4-minimal.spec
@@ -5,6 +5,7 @@ rel_type: hardened
 profile: default/linux/amd64/17.0/hardened
 snapshot: latest
 compression_mode: pixz_x
+decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 source_subpath: hardened/stage3-amd64-hardened-latest
 portage_confdir: @REPO_DIR@/releases/weekly/portage/isos
 
diff --git a/releases/weekly/specs/amd64/hardened/stage4-nomultilib-minimal.spec b/releases/weekly/specs/amd64/hardened/stage4-nomultilib-minimal.spec
index 6c7a6841..f3ef8a32 100644
--- a/releases/weekly/specs/amd64/hardened/stage4-nomultilib-minimal.spec
+++ b/releases/weekly/specs/amd64/hardened/stage4-nomultilib-minimal.spec
@@ -5,6 +5,7 @@ rel_type: hardened
 profile: default/linux/amd64/17.0/no-multilib/hardened
 snapshot: latest
 compression_mode: pixz_x
+decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 source_subpath: hardened/stage3-amd64-hardened+nomultilib-latest
 portage_confdir: @REPO_DIR@/releases/weekly/portage/isos
 
diff --git a/releases/weekly/specs/amd64/stage4-minimal.spec b/releases/weekly/specs/amd64/stage4-minimal.spec
index f8618ac4..e54ec31f 100644
--- a/releases/weekly/specs/amd64/stage4-minimal.spec
+++ b/releases/weekly/specs/amd64/stage4-minimal.spec
@@ -5,6 +5,7 @@ rel_type: default
 profile: default/linux/amd64/17.0
 snapshot: latest
 compression_mode: pixz_x
+decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 source_subpath: default/stage3-amd64-latest
 portage_confdir: @REPO_DIR@/releases/weekly/portage/isos
 
diff --git a/releases/weekly/specs/amd64/stage4-nomultilib-minimal.spec b/releases/weekly/specs/amd64/stage4-nomultilib-minimal.spec
index 546c6052..5db175b4 100644
--- a/releases/weekly/specs/amd64/stage4-nomultilib-minimal.spec
+++ b/releases/weekly/specs/amd64/stage4-nomultilib-minimal.spec
@@ -5,6 +5,7 @@ rel_type: default
 profile: default/linux/amd64/17.0/no-multilib
 snapshot: latest
 compression_mode: pixz_x
+decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 source_subpath: default/stage3-amd64-nomultilib-latest
 portage_confdir: @REPO_DIR@/releases/weekly/portage/isos
 
diff --git a/releases/weekly/specs/arm64/stage4-minimal.spec b/releases/weekly/specs/arm64/stage4-minimal.spec
index d4d762b3..3f9d57a8 100644
--- a/releases/weekly/specs/arm64/stage4-minimal.spec
+++ b/releases/weekly/specs/arm64/stage4-minimal.spec
@@ -5,6 +5,7 @@ rel_type: default
 profile: default/linux/arm64/17.0
 snapshot: current
 compression_mode: pixz_x
+decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 source_subpath: default/stage3-arm64-2008.0
 #portage_confdir: @REPO_DIR@/releases/weekly/portage/isos
 
diff --git a/tools-musl/stage4-hardened-amd64.spec b/tools-musl/stage4-hardened-amd64.spec
index ecae1f3a..8d1bf8ea 100644
--- a/tools-musl/stage4-hardened-amd64.spec
+++ b/tools-musl/stage4-hardened-amd64.spec
@@ -5,6 +5,7 @@ rel_type: musl/hardened/amd64
 profile: default/linux/amd64/17.0/musl/hardened
 snapshot: current
 compression_mode: pixz_x
+decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 source_subpath: musl/hardened/amd64/stage3-amd64-musl-hardened
 portage_confdir: @REPO_DIR@/portage.amd64.hardened.stage4
 portage_overlay: /opt/overlays/musl
diff --git a/tools-systemd/stage4-amd64.spec b/tools-systemd/stage4-amd64.spec
index e656d3a9..77c13894 100644
--- a/tools-systemd/stage4-amd64.spec
+++ b/tools-systemd/stage4-amd64.spec
@@ -5,6 +5,7 @@ rel_type: systemd/SARCH
 profile: default/linux/PARCH/17.0/systemd
 snapshot: current
 compression_mode: pixz_x
+decompressor_search_order: tar pixz xz lbzip2 bzip2 gzip
 source_subpath: systemd/SARCH/PSTAGE-SARCH-systemd
 portage_confdir: @REPO_DIR@/releases/weekly/portage/stages/