diff --git a/packages/providers/src.ts/etherscan-provider.ts b/packages/providers/src.ts/etherscan-provider.ts
index 848b555f37..f61f4a80f9 100644
--- a/packages/providers/src.ts/etherscan-provider.ts
+++ b/packages/providers/src.ts/etherscan-provider.ts
@@ -183,6 +183,8 @@ export class EtherscanProvider extends BaseProvider{
                 return "https:/\/api-goerli.etherscan.io";
             case "optimism":
                 return "https:/\/api-optimistic.etherscan.io";
+            case "optimism-kovan":
+                return "https:/\/api-kovan-optimistic.etherscan.io";
             default:
         }