diff --git a/groups/251.native_packages_lib.group b/groups/251.native_packages_lib.group
index 78241f4..342107f 100644
--- a/groups/251.native_packages_lib.group
+++ b/groups/251.native_packages_lib.group
@@ -99,6 +99,7 @@ libxslt libz libzip")";
 : ${PKG_LIBNETTLE_URL:=https://ftp.gnu.org/gnu/nettle/nettle-${PKG_LIBNETTLE_VERSION}.tar.gz};
 : ${PKG_LIBNETTLE_CFLAGS_CONFIGURE_EXTRA:=-std=gnu99};
 : ${PKG_LIBNETTLE_CONFIGURE_ARGS_EXTRA:="nettle_cv_asm_underscore=no --disable-static"};
+: ${PKG_LIBNETTLE_MAKEFLAGS_BUILD:=-j1};
 : ${PKG_LIBOGG_SHA256SUM:=c163bc12bc300c401b6aa35907ac682671ea376f13ae0969a220f7ddf71893fe};
 : ${PKG_LIBOGG_VERSION:=1.3.4};
 : ${PKG_LIBOGG_URL:=https://ftp.osuosl.org/pub/xiph/releases/ogg/libogg-${PKG_LIBOGG_VERSION}.tar.xz};