From e1f01cf731b8d7b451d11f110ecc46c5717cb8c9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Aar=C3=B3n=20Garc=C3=ADa=20Herv=C3=A1s?= <aaron@mui.com>
Date: Tue, 8 Oct 2024 10:16:09 +0200
Subject: [PATCH] [system] Make createGrid compatible with React 19 types
 (#44035)

---
 packages/mui-system/src/Grid/createGrid.tsx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/packages/mui-system/src/Grid/createGrid.tsx b/packages/mui-system/src/Grid/createGrid.tsx
index e51923ec147a8d..790e0f55026c75 100644
--- a/packages/mui-system/src/Grid/createGrid.tsx
+++ b/packages/mui-system/src/Grid/createGrid.tsx
@@ -170,7 +170,7 @@ export default function createGrid(
       >
         {React.Children.map(children, (child) => {
           if (
-            React.isValidElement(child) &&
+            React.isValidElement<{ container?: unknown }>(child) &&
             isMuiElement(child, ['Grid']) &&
             container &&
             child.props.container