diff --git a/packages/network-clients/src/clients/networkClient.ts b/packages/network-clients/src/clients/networkClient.ts
index ec03dc4c..1672ed70 100644
--- a/packages/network-clients/src/clients/networkClient.ts
+++ b/packages/network-clients/src/clients/networkClient.ts
@@ -83,7 +83,7 @@ export class NetworkClient {
     // Jun 2022 commission-divUnit = perMil / 100 -> 10,000
     const COMMISSION_DIV_UNIT = 10000;
     const PERCENTAGE_UNIT = 100;
-    const rawCommission = parseRawEraValue(commission, currentEra.toNumber());
+    const rawCommission = parseRawEraValue(commission, currentEra.toNumber() - 1);
     const sortedCommission = {
       current: rawCommission.current.toNumber() / (COMMISSION_DIV_UNIT * PERCENTAGE_UNIT),
       after: rawCommission.after.toNumber() / (COMMISSION_DIV_UNIT * PERCENTAGE_UNIT),