diff --git a/packages/page-settings/src/useChainInfo.ts b/packages/page-settings/src/useChainInfo.ts
index ba9f100813..067a3cc35b 100644
--- a/packages/page-settings/src/useChainInfo.ts
+++ b/packages/page-settings/src/useChainInfo.ts
@@ -8,6 +8,7 @@ import { getSystemChainColor, getSystemIcon } from '@polkadot/apps-config/ui';
 import { getSpecTypes } from '@polkadot/types-known';
 import { registry } from '@polkadot/react-api';
 import { useApi } from '@polkadot/react-hooks';
+import { isNumber } from '@polkadot/util';
 
 import { useEffect, useState } from 'react';
 
@@ -23,8 +24,8 @@ export default function useChainInfo (): ChainInfo | null {
       icon: getSystemIcon(systemName),
       metaCalls: Buffer.from(api.runtimeMetadata.asCallsOnly.toU8a()).toString('base64'),
       specVersion: api.runtimeVersion.specVersion.toNumber(),
-      ss58Format: api.registry.chainSS58 || 42,
-      tokenDecimals: api.registry.chainDecimals || 12,
+      ss58Format: isNumber(api.registry.chainSS58) ? api.registry.chainSS58 : 42,
+      tokenDecimals: isNumber(api.registry.chainDecimals) ? api.registry.chainDecimals : 12,
       tokenSymbol: api.registry.chainToken || 'Unit',
       types: getSpecTypes(registry, systemChain, api.runtimeVersion.specName, api.runtimeVersion.specVersion) as unknown as Record<string, string>
     });