diff --git a/eclass/nas-kernel.eclass b/eclass/nas-kernel.eclass
index 716eee0..ecfb38b 100644
--- a/eclass/nas-kernel.eclass
+++ b/eclass/nas-kernel.eclass
@@ -351,6 +351,9 @@ nas-kernel_src_unpack() {
 	if [ -n "${K_NASKERNEL_SELF_TARBALL_NAME}" ]; then
 		OKV="${PVR}+${K_NASKERNEL_SELF_TARBALL_NAME}"
 	fi
+	if [ -n "${K_NASCONFIGS_VER}" ]; then
+		unpack "${DISTDIR}/${K_NASCONFIGS_PKG}"
+	fi
 	kernel-2_src_unpack
 	if [ -n "${K_NASKERNEL_FORCE_SUBLEVEL}" ]; then
 		# patch out Makefile with proper sublevel