diff --git a/remix-debug/src/solidity-decoder/localDecoder.js b/remix-debug/src/solidity-decoder/localDecoder.js
index ef415e4bb3..b4dab50cec 100644
--- a/remix-debug/src/solidity-decoder/localDecoder.js
+++ b/remix-debug/src/solidity-decoder/localDecoder.js
@@ -9,8 +9,8 @@ async function solidityLocals (vmtraceIndex, internalTreeCall, stack, memory, st
   const locals = {}
   memory = formatMemory(memory)
   let anonymousIncr = 1
-  for (let local in scope.locals) {
-    const variable = scope.locals[local]
+  for (var local in scope.locals) {
+    var variable = scope.locals[local]
     if (variable.stackDepth < stack.length && variable.sourceLocation.start <= currentSourceLocation.start) {
       let name = variable.name
       if (name === '') {
diff --git a/remix-debug/src/solidity-decoder/stateDecoder.js b/remix-debug/src/solidity-decoder/stateDecoder.js
index dfab44713d..cf7ca38a12 100644
--- a/remix-debug/src/solidity-decoder/stateDecoder.js
+++ b/remix-debug/src/solidity-decoder/stateDecoder.js
@@ -11,7 +11,7 @@ const decodeInfo = require('./decodeInfo')
 async function decodeState (stateVars, storageResolver) {
   const ret = {}
   for (var k in stateVars) {
-    const stateVar = stateVars[k]
+    var stateVar = stateVars[k]
     try {
       const decoded = await stateVar.type.decodeFromStorage(stateVar.storagelocation, storageResolver)
       decoded.constant = stateVar.constant