diff --git a/packages/redux-devtools-inspector-monitor/src/utils/getInspectedState.ts b/packages/redux-devtools-inspector-monitor/src/utils/getInspectedState.ts
index 43a34eee..8411e7e7 100644
--- a/packages/redux-devtools-inspector-monitor/src/utils/getInspectedState.ts
+++ b/packages/redux-devtools-inspector-monitor/src/utils/getInspectedState.ts
@@ -6,10 +6,10 @@ function iterateToKey(obj: any, key: string | number) {
   let idx = 0;
   for (const entry of obj) {
     if (Array.isArray(entry)) {
-      if (entry[0] === key) return entry[1];
+      if (entry[0] === (key as string)) return entry[1];
     } else {
-      if (idx > key) return;
-      if (idx === key) return entry;
+      if (idx > (key as number)) return;
+      if (idx === (key as number)) return entry;
     }
     idx++;
   }