diff --git a/modules/clan/phonebox/default.nix b/modules/clan/phonebox/default.nix
index 5cb737d..6c8a538 100644
--- a/modules/clan/phonebox/default.nix
+++ b/modules/clan/phonebox/default.nix
@@ -141,8 +141,9 @@
                 domain-needed = true;
                 domain = "localhost";
                 dhcp-range = [
-                  "192.168.254.100,192.168.254.100,255.255.255.0,24h"
+                  "192.168.254.100,192.168.254.100,255.255.255.0,3m"
                 ];
+                dhcp-leasefile = "/dev/null";
                 dhcp-option = [
                   "3,192.168.254.1"
                 ];