diff --git a/explorer/src/components/Consensus/Account/AccountBalancePieChart.tsx b/explorer/src/components/Consensus/Account/AccountBalancePieChart.tsx
index 87724ea1..7280c5f1 100644
--- a/explorer/src/components/Consensus/Account/AccountBalancePieChart.tsx
+++ b/explorer/src/components/Consensus/Account/AccountBalancePieChart.tsx
@@ -15,7 +15,7 @@ export const AccountBalancePieChart: FC<Props> = ({ account }) => {
     : 0
   const transferable = account ? bigNumberToNumber(account.free) : 0
   const staking = account ? bigNumberToNumber(account.reserved) : 0
-  const other = otherNumber ? bigNumberToNumber(otherNumber.toString()) : 0
+  const other = otherNumber ? bigNumberToNumber(otherNumber) : 0
 
   const data = [
     {
diff --git a/explorer/src/utils/number.ts b/explorer/src/utils/number.ts
index b9e23eb6..aa094aef 100644
--- a/explorer/src/utils/number.ts
+++ b/explorer/src/utils/number.ts
@@ -25,6 +25,7 @@ export const floatToStringWithDecimals = (value: number, decimals = 4): string =
   BigInt(value * 10 ** decimals).toString()
 
 export const bigNumberToNumber = (bigNumber: string | bigint | number, precision = 4): number => {
+  if (!bigNumber) return 0
   if (typeof bigNumber !== 'string') bigNumber = bigNumber.toString()
 
   const number = formatUnits(bigNumber)