diff --git a/libs/remix-debug/src/solidity-decoder/internalCallTree.ts b/libs/remix-debug/src/solidity-decoder/internalCallTree.ts
index 673de776a0..ad0e1638f4 100644
--- a/libs/remix-debug/src/solidity-decoder/internalCallTree.ts
+++ b/libs/remix-debug/src/solidity-decoder/internalCallTree.ts
@@ -316,7 +316,7 @@ async function buildTree (tree, step, scopeId, isCreation, functionDefinition?,
         tree.scopeStarts[step] = newScopeId
         tree.scopes[newScopeId] = { firstStep: step, locals: {}, isCreation, gasCost: 0 }
         // for the ctor we we are at the start of its trace, we have to replay this step in order to catch all the locals:
-        let nextStep = constructorExecutionStarts ? step : step + 1
+        const nextStep = constructorExecutionStarts ? step : step + 1
         if (constructorExecutionStarts) {
           tree.constructorsStartExecution[tree.pendingConstructorId] = tree.pendingConstructorExecutionAt
           tree.pendingConstructorExecutionAt = -1