diff --git a/eumd-common/overlay/etc/sunet-reinstall.keep b/eumd-common/overlay/etc/sunet-reinstall.keep
new file mode 100644
index 00000000..ddea23d7
--- /dev/null
+++ b/eumd-common/overlay/etc/sunet-reinstall.keep
@@ -0,0 +1,2 @@
+/etc/luna/cert
+
diff --git a/natmd-common/overlay/etc/sunet-reinstall.keep b/natmd-common/overlay/etc/sunet-reinstall.keep
new file mode 100644
index 00000000..ddea23d7
--- /dev/null
+++ b/natmd-common/overlay/etc/sunet-reinstall.keep
@@ -0,0 +1,2 @@
+/etc/luna/cert
+