diff --git a/meta/recipes-kernel/linux/files/debian/isar/build.tmpl b/meta/recipes-kernel/linux/files/debian/isar/build.tmpl
index e7e04791..906dc580 100644
--- a/meta/recipes-kernel/linux/files/debian/isar/build.tmpl
+++ b/meta/recipes-kernel/linux/files/debian/isar/build.tmpl
@@ -22,7 +22,7 @@ do_build() {
     sed -i "s/@KR@/${KR}/g" ${S}/debian/control ${S}/debian/linux-image-${KERNEL_NAME_PROVIDED}.*
 
     # Build the Linux kernel
-    ${MAKE} O=${KERNEL_BUILD_DIR} ${PARALLEL_MAKE} KCFLAGS="${KCFLAGS}"
+    ${MAKE} O=${KERNEL_BUILD_DIR} ${PARALLEL_MAKE} KCFLAGS="${KCFLAGS}" KAFLAGS="${KAFLAGS}"
 
     # Stop tracing
     set +x
diff --git a/meta/recipes-kernel/linux/linux-custom.inc b/meta/recipes-kernel/linux/linux-custom.inc
index 42501342..1404ab0b 100644
--- a/meta/recipes-kernel/linux/linux-custom.inc
+++ b/meta/recipes-kernel/linux/linux-custom.inc
@@ -80,6 +80,7 @@ TEMPLATE_VARS += "                \
     KERNEL_NAME_PROVIDED          \
     KERNEL_CONFIG_FRAGMENTS       \
     KCFLAGS                       \
+    KAFLAGS                       \
     DISTRIBUTOR                   \
 "
 
@@ -88,6 +89,7 @@ inherit template
 
 # Add custom cflags to the kernel build
 KCFLAGS ?= "-fdebug-prefix-map=${CURDIR}=."
+KAFLAGS ?= "-fdebug-prefix-map=${CURDIR}=."
 
 # Derive name of the kernel packages from the name of this recipe
 KERNEL_NAME_PROVIDED ?= "${@ d.getVar('PN').partition('linux-')[2]}"