diff --git a/src/adapters/DebugProtocolAdapter.ts b/src/adapters/DebugProtocolAdapter.ts
index 7283a471..c9617ca4 100644
--- a/src/adapters/DebugProtocolAdapter.ts
+++ b/src/adapters/DebugProtocolAdapter.ts
@@ -638,7 +638,7 @@ export class DebugProtocolAdapter {
      * @param name the name of this variable. For example, `alpha.beta.charlie`, this value would be `charlie`. For local vars, this is the root variable name (i.e. `alpha`)
      * @param parentEvaluateName the string used to derive the parent, _excluding_ this variable's name (i.e. `alpha.beta` or `alpha[0]`)
      */
-    private createEvaluateContainer(variable: Variable, name: string, parentEvaluateName: string) {
+    private createEvaluateContainer(variable: Variable, name: string | number, parentEvaluateName: string) {
         let value;
         let variableType = variable.type;
         if (variable.value === null) {
@@ -660,7 +660,7 @@ export class DebugProtocolAdapter {
         //build full evaluate name for this var. (i.e. `alpha["beta"]` + ["charlie"]` === `alpha["beta"]["charlie"]`)
         let evaluateName: string;
         if (!parentEvaluateName?.trim()) {
-            evaluateName = name;
+            evaluateName = name?.toString();
         } else if (typeof name === 'string') {
             evaluateName = `${parentEvaluateName}["${name}"]`;
         } else if (typeof name === 'number') {
@@ -668,7 +668,7 @@ export class DebugProtocolAdapter {
         }
 
         let container: EvaluateContainer = {
-            name: name ?? '',
+            name: name?.toString() ?? '',
             evaluateName: evaluateName ?? '',
             type: variableType ?? '',
             value: value ?? null,
@@ -687,7 +687,7 @@ export class DebugProtocolAdapter {
                 const childVariable = variable.children[i];
                 const childContainer = this.createEvaluateContainer(
                     childVariable,
-                    container.keyType === KeyType.integer ? i?.toString() : childVariable.name,
+                    container.keyType === KeyType.integer ? i : childVariable.name,
                     container.evaluateName
                 );
                 container.children.push(childContainer);