diff --git a/eclass/nas-kernel.eclass b/eclass/nas-kernel.eclass
index d577b35..7e05a3f 100644
--- a/eclass/nas-kernel.eclass
+++ b/eclass/nas-kernel.eclass
@@ -420,7 +420,8 @@ _kernel_copy_config() {
 				cp -rf "${WORKDIR}"/sablink "${S}"
 				pushd "${S}"
 				sablink/scripts/prepareconfig ${K_NASKERNEL_NAME}-${CHOST/-*/}
-				mv .config "${1}"
+				mv .config "${1}.tmp"
+				mv "${1}.tmp" "${1}"
 				rm -rf "${S}/sablink"
 				popd
 			else