diff --git a/threadchat/settings.example.py b/threadchat/settings.example.py
index 6cb70a8..6a0e999 100644
--- a/threadchat/settings.example.py
+++ b/threadchat/settings.example.py
@@ -143,6 +143,9 @@ STATIC_ROOT = "static/"
 # Default primary key field type
 # https://docs.djangoproject.com/en/4.0/ref/settings/#default-auto-field
 
+# Tripcode salt to use. Should be reasonably random.
+TRIPCODE_SALT = env("TRIPCODE_SALT")
+
 # X-Frame-Options header from XFrameOptionsMiddleware
 X_FRAME_OPTIONS = "SAMEORIGIN"