diff --git a/packages/shared/src/lib/core/utils/crypto/utils/validateBech32Address.ts b/packages/shared/src/lib/core/utils/crypto/utils/validateBech32Address.ts
index 65c64d6eef..96d78d4287 100644
--- a/packages/shared/src/lib/core/utils/crypto/utils/validateBech32Address.ts
+++ b/packages/shared/src/lib/core/utils/crypto/utils/validateBech32Address.ts
@@ -5,7 +5,6 @@ import { ADDRESS_TYPE_MAP } from '@core/wallet/constants'
 import { AddressType } from '@iota/sdk/out/types'
 
 export function validateBech32Address(prefix: string, addr: string, addressType?: AddressType): void {
-    const addressTypeLetter = addressType ? ADDRESS_TYPE_MAP[addressType] ?? undefined : undefined
     if (!addr || !addr.startsWith(prefix)) {
         throw new Error(
             localize('error.send.wrongAddressPrefix', {
@@ -19,6 +18,7 @@ export function validateBech32Address(prefix: string, addr: string, addressType?
         throw new Error(localize('error.send.wrongAddressFormat'))
     }
 
+    const addressTypeLetter = addressType === undefined ? undefined : ADDRESS_TYPE_MAP[addressType] ?? undefined
     if (addressTypeLetter && !new RegExp(`^${prefix}1${addressTypeLetter}[02-9ac-hj-np-z]{58}$`).test(addr)) {
         throw new Error(localize('error.address.wrongAddressType'))
     }