diff --git a/ts/src/index.ts b/ts/src/index.ts
index b35112e..1ec435b 100644
--- a/ts/src/index.ts
+++ b/ts/src/index.ts
@@ -1,3 +1,5 @@
+import './polyfills/objectEntries';
+
 export class Enumify {
   
   //#################### Static
diff --git a/ts/src/polyfills/objectEntries.ts b/ts/src/polyfills/objectEntries.ts
new file mode 100644
index 0000000..38a4d79
--- /dev/null
+++ b/ts/src/polyfills/objectEntries.ts
@@ -0,0 +1,16 @@
+/*
+ * Object.entries() polyfill
+ * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/entries
+ */
+if (!Object.entries) {
+  Object.entries = function(obj: any) {
+    const ownProps = Object.keys(obj);
+    let i = ownProps.length;
+    let resArray = new Array(i);
+    while (i--) {
+      resArray[i] = [ownProps[i], obj[ownProps[i]]];
+    }
+
+    return resArray;
+  };
+}
\ No newline at end of file