diff --git a/libs/remix-lib/src/execution/txRunnerVM.ts b/libs/remix-lib/src/execution/txRunnerVM.ts
index d75c1e7c8d..ce079856fc 100644
--- a/libs/remix-lib/src/execution/txRunnerVM.ts
+++ b/libs/remix-lib/src/execution/txRunnerVM.ts
@@ -72,7 +72,7 @@ export class TxRunnerVM {
         }
       }
 
-      let EIP1559 = this.commonContext.hardfork() !== 'berlin'
+      const EIP1559 = this.commonContext.hardfork() !== 'berlin'
       let tx
       if (!EIP1559) {
         tx = Transaction.fromTxData({