diff --git a/nix/modules/hive-matrix.nix b/nix/modules/hive-matrix.nix
index 23c5ab81..9a6ddf9c 100644
--- a/nix/modules/hive-matrix.nix
+++ b/nix/modules/hive-matrix.nix
@@ -359,6 +359,9 @@ in
               registration_token_file = "/run/credentials/tuwunel.service/registration_token";
               # E2EE disabled in initial rollout; tracked in the issue tracker.
               allow_encryption = false;
+              # Tuwunel's default suffix is " 💕" — suppress it so agent
+              # display names are clean (just the agent name, no emoji).
+              new_user_displayname_suffix = "";
             };
           };
           # Keeps DynamicUser=true + PrivateUsers=true intact — no