diff --git a/faucet.js b/faucet.js
index 22bfcc9..0f1e165 100644
--- a/faucet.js
+++ b/faucet.js
@@ -5,7 +5,7 @@ import {mockErc20Abi} from "./abi.js";
 
 
 export async function gib( chainId, owner, vault, tokenAmounts ) {
-    if( chainId === 31337 || chainId === 1337 ) {
+    if( (chainId === 31337 || chainId === 1337) && owner !== null && vault !== null ) {
         const provider = getProvider(chainId);
         let faucet = new ethers.Wallet(
             // Dev Account #8