diff --git a/src/components/chain/contract/Locker.js b/src/components/chain/contract/Locker.js
index 0bc0b17..34b7222 100644
--- a/src/components/chain/contract/Locker.js
+++ b/src/components/chain/contract/Locker.js
@@ -45,7 +45,7 @@ export class Locker {
   
   async sendUnlockOrMint(provider, {to, data}) {
     
-    const txHash = await web3Provider.request({
+    const txHash = await provider.request({
       method: 'eth_sendTransaction',
       params: [{
         to,