diff --git a/lib/internal/repl/await.js b/lib/internal/repl/await.js
index ed58e89529ad3b..1c7dba2efdf2d6 100644
--- a/lib/internal/repl/await.js
+++ b/lib/internal/repl/await.js
@@ -100,7 +100,7 @@ function processTopLevelAwait(src) {
     body,
     ancestors: [],
     replace(from, to, str) {
-      for (var i = from; i < to; i++) {
+      for (let i = from; i < to; i++) {
         wrappedArray[i] = '';
       }
       if (from === to) str += wrappedArray[from];