diff --git a/meta-isar/recipes-kernel/linux/linux-cip_4.4.166-cip29.bb b/meta-isar/recipes-kernel/linux/linux-cip_4.4.166-cip29.bb
index 1f4d75bc..e2775c8d 100644
--- a/meta-isar/recipes-kernel/linux/linux-cip_4.4.166-cip29.bb
+++ b/meta-isar/recipes-kernel/linux/linux-cip_4.4.166-cip29.bb
@@ -13,4 +13,5 @@ SRC_URI += " \
 
 SRCREV = "af3adf9f9c633ac0e1d68487d7fad22285dda8a3"
 
-KERNEL_DEFCONFIG:qemuamd64-cip = "x86_64_defconfig"
+SRC_URI:append:amd64 = " file://${KERNEL_DEFCONFIG}"
+KERNEL_DEFCONFIG:amd64 = "x86_64_defconfig"
diff --git a/meta-isar/recipes-kernel/linux/linux-mainline_6.12.85.bb b/meta-isar/recipes-kernel/linux/linux-mainline_6.12.85.bb
index 10444680..786a9db8 100644
--- a/meta-isar/recipes-kernel/linux/linux-mainline_6.12.85.bb
+++ b/meta-isar/recipes-kernel/linux/linux-mainline_6.12.85.bb
@@ -11,7 +11,6 @@ ARCHIVE_VERSION = "${@ d.getVar('PV')[:-2] if d.getVar('PV').endswith('.0') else
 
 SRC_URI += " \
     https://cdn.kernel.org/pub/linux/kernel/v6.x/linux-${ARCHIVE_VERSION}.tar.xz \
-    file://x86_64_defconfig \
     file://ftpm-module.cfg \
     file://subdir \
     file://no-root-nfs.cfg;apply=no"
@@ -20,7 +19,8 @@ SRC_URI[sha256sum] = "e35ac999f40a6874493d8d60f33f1150d7a89ae5841c428da82257fbcd
 
 S = "${WORKDIR}/linux-${ARCHIVE_VERSION}"
 
-KERNEL_DEFCONFIG:qemuamd64 = "x86_64_defconfig"
+SRC_URI:append:amd64 = " file://${KERNEL_DEFCONFIG}"
+KERNEL_DEFCONFIG:amd64 = "x86_64_defconfig"
 
 LINUX_VERSION_EXTENSION = "-isar"