diff --git a/nixos/hosts/quitman-rpi4/default.nix b/nixos/hosts/quitman-rpi4/default.nix
index c10f17dd..67c7632f 100644
--- a/nixos/hosts/quitman-rpi4/default.nix
+++ b/nixos/hosts/quitman-rpi4/default.nix
@@ -52,7 +52,7 @@
 
   services.tailscale.extraUpFlags = [ 
     "--advertise-exit-node" 
-    "--advertise-routes 192.168.68.0/22"
+    "--advertise-routes=192.168.68.0/22"
   ];
   boot.kernel.sysctl = { "net.ipv4.ip_forward" = true; };
   networking.firewall.allowedTCPPorts = [ 22 ];