diff --git a/src/server/routes/backend-wallet/transfer.ts b/src/server/routes/backend-wallet/transfer.ts
index 661eada2b..ad013309f 100644
--- a/src/server/routes/backend-wallet/transfer.ts
+++ b/src/server/routes/backend-wallet/transfer.ts
@@ -39,7 +39,7 @@ const requestBodySchema = Type.Object({
   },
   currencyAddress: Type.Optional({
     ...AddressSchema,
-    examples: [constants.AddressZero],
+    examples: [ZERO_ADDRESS],
     description:
       "The token address to transfer. Omit to transfer the chain's native currency (e.g. ETH on Ethereum).",
   }),