diff --git a/build.sh b/build.sh
index 2403d51..583247b 100755
--- a/build.sh
+++ b/build.sh
@@ -16,6 +16,6 @@ cat \
     install.packages \
     "${CONFIGDIR}"/build.packages \
     "${CONFIGDIR}"/install.packages \
-    | xargs -ro \
-${target}-emerge -vnuUDj
-${target}-emerge -v @preserved-rebuild
+    | xargs -rot \
+${target}-emerge -bkvnuUDj
+${target}-emerge -bv @preserved-rebuild
diff --git a/rebuild-pkg.sh b/rebuild-pkg.sh
index 24415f7..3a3e711 100755
--- a/rebuild-pkg.sh
+++ b/rebuild-pkg.sh
@@ -9,4 +9,4 @@ unset MAKEFLAGS MAKEOVERRIDES MAKELEVEL
 
 export PORTAGE_CONFIGROOT="${CONFIGDIR}"/portage/target
 
-${target}-emerge -bv1j --usepkg-exclude="$*" "$@"
+${target}-emerge -bkv1j --usepkg-exclude="$*" "$@"