diff --git a/wg.mk b/wg.mk
index 3d4ac3d..dcf33fa 100644
--- a/wg.mk
+++ b/wg.mk
@@ -20,3 +20,5 @@ wgkeys.rec: wireguard/dmz_public_key
 	git commit -m"add wireguard key for $(name)"
 	$(info Remember to git push)
 
+wireguard/dmz.conf: xecut/nimbus/dmz.conf | wireguard/dmz_private_key
+	sed 's/PRIVATE_KEY/$(shell cat $|)/' $< > $@