diff --git a/modules/services/networking/dnsmasq.nix b/modules/services/networking/dnsmasq.nix
index 389d5c22e82..0d786add881 100644
--- a/modules/services/networking/dnsmasq.nix
+++ b/modules/services/networking/dnsmasq.nix
@@ -49,7 +49,7 @@ in
 
         daemonType = "daemon";
 
-        exec = "${dnsmasq}/bin/dnsmasq -R ${serversParam}";
+        exec = "${dnsmasq}/bin/dnsmasq -R ${serversParam} -o";
       };
 
   };