diff --git a/packages/shared/objectIs.js b/packages/shared/objectIs.js
index 608adfc3bcf..cf7ee2d1d88 100644
--- a/packages/shared/objectIs.js
+++ b/packages/shared/objectIs.js
@@ -11,12 +11,18 @@
  * inlined Object.is polyfill to avoid requiring consumers ship their own
  * https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Object/is
  */
-function is(x: any, y: any) {
+function is(x, y) {
+  if (typeof x !== typeof y) {
+    return false;
+  }
+
   return (
-    (x === y && (x !== 0 || 1 / x === 1 / y)) || (x !== x && y !== y) // eslint-disable-line no-self-compare
+    (x === y && (x !== 0 || 1 / x === 1 / y)) ||
+    (x !== x && y !== y)
   );
 }
 
+
 const objectIs: (x: any, y: any) => boolean =
   // $FlowFixMe[method-unbinding]
   typeof Object.is === 'function' ? Object.is : is;