diff --git a/Makefile b/Makefile
index ace602b8..60f4bebe 100644
--- a/Makefile
+++ b/Makefile
@@ -5,3 +5,9 @@ test:
 
 build:
 	sudo nixos-rebuild build --flake .
+
+extra/davmail.properties:
+	touch $@
+
+~/.davmail.properties: extra/davmail.properties
+	cp $? $@