diff --git a/react-dom-instance.js b/react-dom-instance.js
index bac5309..2c21426 100644
--- a/react-dom-instance.js
+++ b/react-dom-instance.js
@@ -28,7 +28,8 @@ function getFiberFromNode(node) {
 
 function getFiberKey(node) {
 	return Object.keys(node).find(key => (
-		key.startsWith('__reactInternalInstance$')
+		key.startsWith('__reactInternalInstance$') ||
+		key.startsWith('__reactFiber$')
 	));
 }
 
@@ -88,4 +89,4 @@ function warn( msg ){
 }
 
 module.exports.findInstance = findInstance;
-module.exports = {findInstance};
\ No newline at end of file
+module.exports = {findInstance};