diff --git a/packages/ra-ui-materialui/src/input/AutocompleteArrayInput.tsx b/packages/ra-ui-materialui/src/input/AutocompleteArrayInput.tsx
index 81f212616aa..61ffc5e2c66 100644
--- a/packages/ra-ui-materialui/src/input/AutocompleteArrayInput.tsx
+++ b/packages/ra-ui-materialui/src/input/AutocompleteArrayInput.tsx
@@ -81,7 +81,7 @@ export const AutocompleteArrayInput = <
     <AutocompleteInput<OptionType, true, DisableClearable, SupportCreate>
         {...props}
         multiple
-        defaultValue={defaultValue ?? []}
+        defaultValue={defaultValue ?? (props.disabled ? undefined : [])}
     />
 );