From d9ba628197e58b8d6e1c1ecbfcbf274371ce570a Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?An=C3=ADbal=20Svarcas?= <WiXSL@users.noreply.github.com>
Date: Fri, 21 Jan 2022 12:34:23 -0300
Subject: [PATCH] Fix re-order doesn't work in every case

---
 .../src/input/ArrayInput/SimpleFormIterator.tsx                 | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/ra-ui-materialui/src/input/ArrayInput/SimpleFormIterator.tsx b/packages/ra-ui-materialui/src/input/ArrayInput/SimpleFormIterator.tsx
index 9eb0f7bfbb3..be2c4d50968 100644
--- a/packages/ra-ui-materialui/src/input/ArrayInput/SimpleFormIterator.tsx
+++ b/packages/ra-ui-materialui/src/input/ArrayInput/SimpleFormIterator.tsx
@@ -133,7 +133,7 @@ export const SimpleFormIterator = (props: SimpleFormIteratorProps) => {
                     {fields.map((member, index) => (
                         <CSSTransition
                             nodeRef={nodeRef}
-                            key={ids.current[index]}
+                            key={index}
                             timeout={500}
                             classNames="fade"
                             {...TransitionProps}