diff --git a/src/server/blockchain/Web3Wallet.js b/src/server/blockchain/Web3Wallet.js
index 6f6aba8f..9960f7a0 100644
--- a/src/server/blockchain/Web3Wallet.js
+++ b/src/server/blockchain/Web3Wallet.js
@@ -316,7 +316,6 @@ export class Web3Wallet {
         const keyId = this.kmsWallet.getKeyId(address)
         this.addKMSWallet(address, keyId)
       })
-      this.address = addresses[0]
       log.info('WalletInit: Initialized by KMS keys:', {
         addresses,
         keyIds: kmsKeyIds,
@@ -340,8 +339,6 @@ export class Web3Wallet {
           this.addWallet(account)
         }
 
-        this.address = this.addresses[0]
-
         log.info('WalletInit: Initialized by mnemonic:', { address: this.addresses })
       } else if (this.conf.privateKey) {
         // Fallback to private key if mnemonic is not configured
@@ -371,7 +368,8 @@ export class Web3Wallet {
       const adminWalletContractBalance = await this.web3.eth.getBalance(adminWalletAddress)
       log.info(`WalletInit: AdminWallet contract balance`, { adminWalletContractBalance, adminWalletAddress })
 
-      this.proxyContract = new this.web3.eth.Contract(AdminWalletABI, adminWalletAddress, { from: this.address })
+      // Initialize without `from` first, then re-bind after selecting a valid admin wallet.
+      this.proxyContract = new this.web3.eth.Contract(AdminWalletABI, adminWalletAddress)
 
       const maxAdminBalance = await this.proxyContract.methods.adminToppingAmount().call()
       const minAdminBalance = parseInt(web3Utils.fromWei(maxAdminBalance, 'gwei')) / 2
@@ -390,13 +388,6 @@ export class Web3Wallet {
 
       log.info('WalletInit: Initialized wallet queue manager')
 
-      if (this.conf.topAdminsOnStartup) {
-        log.info('WalletInit: calling topAdmins...')
-        await this.topAdmins(this.conf.numberOfAdminWalletAccounts).catch(e => {
-          log.warn('WalletInit: topAdmins failed', { e, errMessage: e.message })
-        })
-      }
-
       log.info('Initializing adminwallet addresses', { addresses: this.addresses })
 
       await Promise.all(
@@ -424,6 +415,14 @@ export class Web3Wallet {
       }
 
       this.address = this.filledAddresses[0]
+      this.proxyContract = new this.web3.eth.Contract(AdminWalletABI, adminWalletAddress, { from: this.address })
+
+      if (this.conf.topAdminsOnStartup) {
+        log.info('WalletInit: calling topAdmins...')
+        await this.topAdmins(this.conf.numberOfAdminWalletAccounts).catch(e => {
+          log.warn('WalletInit: topAdmins failed', { e, errMessage: e.message })
+        })
+      }
 
       this.identityContract = new this.web3.eth.Contract(
         IdentityABI.abi,