diff --git a/lib/kredits.js b/lib/kredits.js
index b774e16..a78dd6d 100644
--- a/lib/kredits.js
+++ b/lib/kredits.js
@@ -67,7 +67,7 @@ class Kredits {
   }
 
   static for (connectionOptions, kreditsOptions) {
-    const { network, rpcUrl, wallet } = connectionOptions;
+    let { network, rpcUrl, wallet } = connectionOptions;
     if (!rpcUrl && network === 'local') { rpcUrl = 'http://localhost:8545'; }
     let ethProvider, signer;
     if (rpcUrl || network === 'local') {