diff --git a/src/custom/UserSearchField/UserSearchFieldInput.tsx b/src/custom/UserSearchField/UserSearchFieldInput.tsx
index c0858afbb..6bb028339 100644
--- a/src/custom/UserSearchField/UserSearchFieldInput.tsx
+++ b/src/custom/UserSearchField/UserSearchFieldInput.tsx
@@ -201,8 +201,8 @@ const UserSearchField: React.FC<UserSearchFieldProps> = ({
             }}
           />
         )}
-        renderOption={(props, option: User) => (
-          <li {...props} id={option.userId}>
+        renderOption={({ key, ...restProps }: React.HTMLAttributes<HTMLLIElement> & { key?: React.Key }, option: User) => (
+          <li key={key} {...restProps} id={option.userId}>
             <Box sx={{ '& > img': { mr: 2, flexShrink: 0 } }}>
               {' '}
               <Grid2 container sx={{ alignItems: 'center' }}>