diff --git a/machines/raven/services/dnsmasq.nix b/machines/raven/services/dnsmasq.nix
index 35faad7..2db2a95 100644
--- a/machines/raven/services/dnsmasq.nix
+++ b/machines/raven/services/dnsmasq.nix
@@ -35,8 +35,8 @@ in
       expand-hosts = true;
       domain = "lab.fablab-nea.de";
       dhcp-range = [
-        "192.168.93.20,192.168.93.254,4h"
-        "192.168.94.20,192.168.94.254,4h"
+        "set:voice,192.168.93.20,192.168.93.254,4h"
+        "set:lab,192.168.94.20,192.168.94.254,4h"
       ];
       dhcp-boot = "lpxelinux.0,raven,192.168.94.1";
       cache-size = 10000;