diff --git a/meta-isar/conf/distro/ubuntu-common.inc b/meta-isar/conf/distro/ubuntu-common.inc
index 1ee9bb84..b4a0d588 100644
--- a/meta-isar/conf/distro/ubuntu-common.inc
+++ b/meta-isar/conf/distro/ubuntu-common.inc
@@ -10,9 +10,6 @@ BASE_DISTRO = "ubuntu"
 
 HOST_BASE_DISTRO = "${BASE_DISTRO}"
 
-DISTRO_APT_SOURCES:arm64 ?= "conf/distro/${BASE_DISTRO}-${BASE_DISTRO_CODENAME}-ports.list"
-HOST_DISTRO_APT_SOURCES:arm64 ?= "conf/distro/${HOST_DISTRO}.list conf/distro/${HOST_DISTRO}-ports.list"
-
 DISTRO_APT_SOURCES:riscv64 ?= "conf/distro/${BASE_DISTRO}-${BASE_DISTRO_CODENAME}-ports.list"
 HOST_DISTRO_APT_SOURCES:riscv64 ?= "conf/distro/${HOST_DISTRO}.list conf/distro/${HOST_DISTRO}-ports.list"
 
diff --git a/meta-isar/conf/distro/ubuntu-focal.conf b/meta-isar/conf/distro/ubuntu-focal.conf
index 155644c1..c734b2b9 100644
--- a/meta-isar/conf/distro/ubuntu-focal.conf
+++ b/meta-isar/conf/distro/ubuntu-focal.conf
@@ -12,3 +12,6 @@ DISTRO_GCC = "9"
 DEBIAN_COMPAT = "12"
 
 DEBIAN_STANDARDS_VERSION ?= "4.5.0"
+
+DISTRO_APT_SOURCES:arm64 ?= "conf/distro/${BASE_DISTRO}-${BASE_DISTRO_CODENAME}-ports.list"
+HOST_DISTRO_APT_SOURCES:arm64 ?= "conf/distro/${HOST_DISTRO}.list conf/distro/${HOST_DISTRO}-ports.list"
diff --git a/meta-isar/conf/distro/ubuntu-jammy.conf b/meta-isar/conf/distro/ubuntu-jammy.conf
index 492ab126..faa0d5c0 100644
--- a/meta-isar/conf/distro/ubuntu-jammy.conf
+++ b/meta-isar/conf/distro/ubuntu-jammy.conf
@@ -12,3 +12,6 @@ DISTRO_GCC = "11"
 DEBIAN_COMPAT = "13"
 
 DEBIAN_STANDARDS_VERSION ?= "4.6.0"
+
+DISTRO_APT_SOURCES:arm64 ?= "conf/distro/${BASE_DISTRO}-${BASE_DISTRO_CODENAME}-ports.list"
+HOST_DISTRO_APT_SOURCES:arm64 ?= "conf/distro/${HOST_DISTRO}.list conf/distro/${HOST_DISTRO}-ports.list"
diff --git a/meta-isar/conf/distro/ubuntu-noble.conf b/meta-isar/conf/distro/ubuntu-noble.conf
index 5a9bd100..48c8b91f 100644
--- a/meta-isar/conf/distro/ubuntu-noble.conf
+++ b/meta-isar/conf/distro/ubuntu-noble.conf
@@ -12,3 +12,6 @@ DISTRO_GCC = "13"
 DEBIAN_COMPAT = "13"
 
 DEBIAN_STANDARDS_VERSION ?= "4.7.0"
+
+DISTRO_APT_SOURCES:arm64 ?= "conf/distro/${BASE_DISTRO}-${BASE_DISTRO_CODENAME}-ports.list"
+HOST_DISTRO_APT_SOURCES:arm64 ?= "conf/distro/${HOST_DISTRO}.list conf/distro/${HOST_DISTRO}-ports.list"
diff --git a/meta-isar/conf/distro/ubuntu-resolute-ports.list b/meta-isar/conf/distro/ubuntu-resolute-ports.list
index 239cafe6..a37f150c 100644
--- a/meta-isar/conf/distro/ubuntu-resolute-ports.list
+++ b/meta-isar/conf/distro/ubuntu-resolute-ports.list
@@ -1,6 +1,6 @@
-deb	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports resolute main restricted universe multiverse
-deb-src	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports resolute main restricted universe multiverse
-deb	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports resolute-updates main restricted universe multiverse
-deb-src	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports resolute-updates main restricted universe multiverse
-deb	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports resolute-security main restricted universe multiverse
-deb-src	[arch=armhf,arm64,riscv64] http://ports.ubuntu.com/ubuntu-ports resolute-security main restricted universe multiverse
+deb	[arch=armhf,riscv64] http://ports.ubuntu.com/ubuntu-ports resolute main restricted universe multiverse
+deb-src	[arch=armhf,riscv64] http://ports.ubuntu.com/ubuntu-ports resolute main restricted universe multiverse
+deb	[arch=armhf,riscv64] http://ports.ubuntu.com/ubuntu-ports resolute-updates main restricted universe multiverse
+deb-src	[arch=armhf,riscv64] http://ports.ubuntu.com/ubuntu-ports resolute-updates main restricted universe multiverse
+deb	[arch=armhf,riscv64] http://ports.ubuntu.com/ubuntu-ports resolute-security main restricted universe multiverse
+deb-src	[arch=armhf,riscv64] http://ports.ubuntu.com/ubuntu-ports resolute-security main restricted universe multiverse
diff --git a/meta-isar/conf/distro/ubuntu-resolute.list b/meta-isar/conf/distro/ubuntu-resolute.list
index 65dcc81e..bf0a28b7 100644
--- a/meta-isar/conf/distro/ubuntu-resolute.list
+++ b/meta-isar/conf/distro/ubuntu-resolute.list
@@ -1,6 +1,6 @@
-deb	[arch=amd64,i386] http://archive.ubuntu.com/ubuntu resolute main restricted universe multiverse
-deb-src	[arch=amd64,i386] http://archive.ubuntu.com/ubuntu resolute main restricted universe multiverse
-deb	[arch=amd64,i386] http://archive.ubuntu.com/ubuntu resolute-updates main restricted universe multiverse
-deb-src	[arch=amd64,i386] http://archive.ubuntu.com/ubuntu resolute-updates main restricted universe multiverse
-deb	[arch=amd64,i386] http://archive.ubuntu.com/ubuntu resolute-security main restricted universe multiverse
-deb-src	[arch=amd64,i386] http://archive.ubuntu.com/ubuntu resolute-security main restricted universe multiverse
+deb	[arch=amd64,i386,arm64] http://archive.ubuntu.com/ubuntu resolute main restricted universe multiverse
+deb-src	[arch=amd64,i386,arm64] http://archive.ubuntu.com/ubuntu resolute main restricted universe multiverse
+deb	[arch=amd64,i386,arm64] http://archive.ubuntu.com/ubuntu resolute-updates main restricted universe multiverse
+deb-src	[arch=amd64,i386,arm64] http://archive.ubuntu.com/ubuntu resolute-updates main restricted universe multiverse
+deb	[arch=amd64,i386,arm64] http://archive.ubuntu.com/ubuntu resolute-security main restricted universe multiverse
+deb-src	[arch=amd64,i386,arm64] http://archive.ubuntu.com/ubuntu resolute-security main restricted universe multiverse