diff --git a/common/envs/prod.ts b/common/envs/prod.ts
index f8aaf4cc..5bd12095 100644
--- a/common/envs/prod.ts
+++ b/common/envs/prod.ts
@@ -22,6 +22,7 @@ export type EnvConfig = {
   // Currency controls
   fixedAnte?: number
   startingBalance?: number
+  referralBonus?: number
 }
 
 type FirebaseConfig = {
diff --git a/common/user.ts b/common/user.ts
index 1995ce34..0dac5a19 100644
--- a/common/user.ts
+++ b/common/user.ts
@@ -45,7 +45,7 @@ export type User = {
 export const STARTING_BALANCE = ENV_CONFIG.startingBalance ?? 1000
 // for sus users, i.e. multiple sign ups for same person
 export const SUS_STARTING_BALANCE = ENV_CONFIG.startingBalance ?? 10
-export const REFERRAL_AMOUNT = 500
+export const REFERRAL_AMOUNT = ENV_CONFIG.referralBonus ?? 500
 export type PrivateUser = {
   id: string // same as User.id
   username: string // denormalized from User