diff --git a/packages/apps-routing/src/staking.ts b/packages/apps-routing/src/staking.ts
index 01d4560132..463076dd55 100644
--- a/packages/apps-routing/src/staking.ts
+++ b/packages/apps-routing/src/staking.ts
@@ -7,20 +7,19 @@ import type { PalletStakingExposure } from '@polkadot/types/lookup';
 import type { Route } from './types';
 
 import Component from '@polkadot/app-staking';
+import { ZERO_ACCOUNT } from '@polkadot/react-hooks/useWeight';
 import { unwrapStorageType } from '@polkadot/types/primitive/StorageKey';
 import { assert, BN_ONE } from '@polkadot/util';
 
-const TEST_ADDR = '1ufRSF5gx9Q8hrYoj7KwpzQzDNqLJdbKrFwC6okxa5gtBRd';
-
 function needsApiCheck (api: ApiPromise): boolean {
   try {
     // we need a known Exposure type
     const { others: [{ value, who }], own, total } = api.registry.createType<PalletStakingExposure>(
       unwrapStorageType(api.registry, api.query.staking.erasStakers.creator.meta.type),
-      { others: [{ value: BN_ONE, who: TEST_ADDR }], own: BN_ONE, total: BN_ONE }
+      { others: [{ value: BN_ONE, who: ZERO_ACCOUNT }], own: BN_ONE, total: BN_ONE }
     );
 
-    assert(total.eq(BN_ONE) && own.eq(BN_ONE) && who.eq(TEST_ADDR) && value.eq(BN_ONE), 'Needs a known Exposure type');
+    assert(total && own && value && who && total.eq(BN_ONE) && own.eq(BN_ONE) && value.eq(BN_ONE), 'Needs a known Exposure type');
   } catch {
     console.warn('Unable to create known-shape Exposure type, disabling staking route');
 
@@ -29,7 +28,7 @@ function needsApiCheck (api: ApiPromise): boolean {
 
   try {
     // we need to be able to bond
-    api.tx.staking.bond(TEST_ADDR, BN_ONE, { Account: TEST_ADDR });
+    api.tx.staking.bond(ZERO_ACCOUNT, BN_ONE, { Account: ZERO_ACCOUNT });
   } catch {
     console.warn('Unable to create staking bond transaction, disabling staking route');
 
diff --git a/packages/page-preimages/src/Preimages/Call.tsx b/packages/page-preimages/src/Preimages/Call.tsx
index 77f4d43c81..8c1c77b0d7 100644
--- a/packages/page-preimages/src/Preimages/Call.tsx
+++ b/packages/page-preimages/src/Preimages/Call.tsx
@@ -6,6 +6,7 @@ import type { Preimage } from '../types';
 import React from 'react';
 
 import { AddressMini, CallExpander, MarkError, MarkWarning } from '@polkadot/react-components';
+import { ZERO_ACCOUNT } from '@polkadot/react-hooks/useWeight';
 
 import { useTranslation } from '../translate';
 
@@ -15,8 +16,6 @@ interface Props {
   value?: Preimage;
 }
 
-const NULL_ADDR = '0x1234567812345678123456781234567812345678123456781234567812345678';
-
 function PreimageCall ({ className = '', value }: Props): React.ReactElement<Props> {
   const { t } = useTranslation();
 
@@ -57,7 +56,7 @@ function PreimageCall ({ className = '', value }: Props): React.ReactElement<Pro
           : (
             <AddressMini
               className='--tmp'
-              value={NULL_ADDR}
+              value={ZERO_ACCOUNT}
             />
           )}
       </td>
diff --git a/packages/react-hooks/src/useWeight.ts b/packages/react-hooks/src/useWeight.ts
index 9cc0e99ea1..f30eeeec13 100644
--- a/packages/react-hooks/src/useWeight.ts
+++ b/packages/react-hooks/src/useWeight.ts
@@ -32,8 +32,9 @@ interface Result {
   weight: BN | V2WeightConstruct;
 }
 
-// a random address that we are using for our queries
-const ZERO_ACCOUNT = '5CAUdnwecHGxxyr5vABevAfZ34Fi4AaraDRMwfDQXQ52PXqg';
+// this is 32 bytes in length, it allows construction for both AccountId32 & AccountId20
+export const ZERO_ACCOUNT = '0x9876543210abcdef9876543210abcdef9876543210abcdef9876543210abcdef';
+
 const EMPTY_STATE: Partial<Result> = {
   encodedCallLength: 0,
   v1Weight: BN_ZERO,