From 64a7f41b27b6626acaff54f594fba13f078c9121 Mon Sep 17 00:00:00 2001
From: Oskar Eichler <62393985+OskarEichler@users.noreply.github.com>
Date: Sat, 29 Aug 2026 18:05:46 +0200
Subject: [PATCH] [Autocomplete] Lazily derive the initial input value

---
 .../mui-material/src/useAutocomplete/useAutocomplete.js     | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/packages/mui-material/src/useAutocomplete/useAutocomplete.js b/packages/mui-material/src/useAutocomplete/useAutocomplete.js
index 3622766b96f15f..d3513d3d9ff039 100644
--- a/packages/mui-material/src/useAutocomplete/useAutocomplete.js
+++ b/packages/mui-material/src/useAutocomplete/useAutocomplete.js
@@ -177,10 +177,10 @@ function useAutocomplete(props) {
   const isTouchRef = React.useRef(false);
 
   // Calculate the initial inputValue on mount only.
-  // useRef ensures it doesn't update dynamically with defaultValue or value props.
-  const initialInputValue = React.useRef(
+  // Lazy state ensures it doesn't update dynamically with defaultValue or value props.
+  const [initialInputValue] = React.useState(() =>
     getInputValue(defaultValue ?? valueProp, multiple, getOptionLabel),
-  ).current;
+  );
 
   const [value, setValueState] = useControlled({
     controlled: valueProp,