diff --git a/machine-confs/helium.nix b/machine-confs/helium.nix
index 9dfcd7e..e39153e 100644
--- a/machine-confs/helium.nix
+++ b/machine-confs/helium.nix
@@ -57,7 +57,7 @@
   };
   services.clatd = {
     enable = true;
-    settings.clat-v6-addr = "2001:14ba:a08c:2df0::f2";
+    settings.clat-v6-addr = "2001:14ba:a08c:2df0::2";
   };
   systemd.services.clatd.wants = [ "wg-quick-wg0.service" ];
 
diff --git a/machine-confs/lithium.nix b/machine-confs/lithium.nix
index 086d1aa..7c7868a 100644
--- a/machine-confs/lithium.nix
+++ b/machine-confs/lithium.nix
@@ -39,7 +39,7 @@
   };
   services.clatd = {
     enable = true;
-    settings.clat-v6-addr = "2001:14ba:a08c:2df0::f3";
+    settings.clat-v6-addr = "2001:14ba:a08c:2df0::3";
   };
   systemd.services.clatd.wants = [ "wg-quick-wg0.service" ];