diff --git a/settings.template.php b/settings.template.php
index 63342d5..9a757c6 100644
--- a/settings.template.php
+++ b/settings.template.php
@@ -37,6 +37,7 @@ $SETTINGS = [
     "prices" => [
         "camp" => 50.0,
         "tshirt" => 10.0,
+        "adult_volunteer_daily_discount" => 10.0,
         // Set to false to make shirts always free, set to a number to make them
         // free for people who work at least that many days
         "youth_tshirt" => false,