diff --git a/ops/nixos/lib/blade.nix b/ops/nixos/lib/blade.nix
index 7fdd476228..58c27935e6 100644
--- a/ops/nixos/lib/blade.nix
+++ b/ops/nixos/lib/blade.nix
@@ -107,7 +107,7 @@ in {
     services.ceph = {
       enable = true;
       global.fsid = "521a59a5-a597-4432-b248-1ecd3c76ca4c";
-      global.monHost = "10.100.1.103, 10.100.1.106, 10.100.1.102";
+      global.monHost = "10.100.0.103, 10.100.0.106, 10.100.0.102";
       global.monInitialMembers = "blade-janeway, blade-tuvok, blade-paris";
       mon.daemons = [ config.networking.hostName ];
       mds.daemons = [ config.networking.hostName ];