diff --git a/synapse/mautrix-signal/config.yaml b/synapse/mautrix-signal/config.yaml
index 9444bac..dd071eb 100644
--- a/synapse/mautrix-signal/config.yaml
+++ b/synapse/mautrix-signal/config.yaml
@@ -88,7 +88,7 @@ signal:
 bridge:
     # Localpart template of MXIDs for Signal users.
     # {{.}} is replaced with the internal ID of the Signal user.
-    username_template: signal_{{.}}
+    username_template: signal_{{.ContactName}}
     # Displayname template for Signal users. This is also used as the room name in DMs if private_chat_portal_meta is enabled.
     # {{.ProfileName}} - The Signal profile name set by the user.
     # {{.ContactName}} - The name for the user from your phone's contact list. This is not safe on multi-user instances.