diff --git a/apps/etherscan/src/app/views/VerifyView.tsx b/apps/etherscan/src/app/views/VerifyView.tsx
index d92dd77360..b3dae67c0e 100644
--- a/apps/etherscan/src/app/views/VerifyView.tsx
+++ b/apps/etherscan/src/app/views/VerifyView.tsx
@@ -114,7 +114,7 @@ export const VerifyView: React.FC<Props> = ({
                 name="contractName"
                 onChange={async (e) => {
                     const {artefact} = await client.call("compilerArtefacts" as any, "getArtefactsByContractName", e.target.value)
-                    if (artefact && artefact.abi && artefact.abi[0].type && artefact.abi[0].type === 'constructor') setShowConstructorArgs(true)
+                    if (artefact && artefact.abi && artefact.abi[0] && artefact.abi[0].type && artefact.abi[0].type === 'constructor') setShowConstructorArgs(true)
                     else setShowConstructorArgs(false)
                 }}
               >