diff --git a/eclass/nas-kernel.eclass b/eclass/nas-kernel.eclass
index 55a5923..29777b8 100644
--- a/eclass/nas-kernel.eclass
+++ b/eclass/nas-kernel.eclass
@@ -473,6 +473,7 @@ _kernel_src_compile() {
 
 	export DEFAULT_KERNEL_SOURCE="${S}"
 	export CMD_KERNEL_DIR="${S}"
+	export KERNEL_DIR="${S}"
 	for opt in ${MAKEOPTS}; do
 		if [ "${opt:0:2}" = "-j" ]; then
 			mkopts="${opt}"
@@ -601,7 +602,7 @@ _kernel_src_compile() {
 		emake mrproper
 	fi
 
-	DEFAULT_KERNEL_SOURCE="${S}" CMD_KERNEL_DIR="${S}" genkernel ${GKARGS} ${K_GENKERNEL_ARGS} \
+	DEFAULT_KERNEL_SOURCE="${S}" CMD_KERNEL_DIR="${S}" KERNEL_DIR="${S}" genkernel ${GKARGS} ${K_GENKERNEL_ARGS} \
 		--kerneldir="${S}" \
 		--kernel-config="${WORKDIR}"/config \
 		--cachedir="${WORKDIR}"/cache \