diff --git a/qapi/block-core.json b/qapi/block-core.json
index b5fdd42..9d797b8 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -1724,11 +1724,13 @@
 # Driver specific block device options for the file backend.
 #
 # @filename:    path to the image file
+# @aio:         #optional AIO backend (default: threads) (since: 2.8)
 #
 # Since: 1.7
 ##
 { 'struct': 'BlockdevOptionsFile',
-  'data': { 'filename': 'str' } }
+  'data': { 'filename': 'str',
+            '*aio': 'BlockdevAioOptions' } }
 
 ##
 # @BlockdevOptionsNull
@@ -2232,7 +2234,6 @@
 #                 This option is required on the top level of blockdev-add.
 # @discard:       #optional discard-related options (default: ignore)
 # @cache:         #optional cache-related options
-# @aio:           #optional AIO backend (default: threads)
 # @read-only:     #optional whether the block device should be read-only
 #                 (default: false)
 # @detect-zeroes: #optional detect and optimize zero writes (Since 2.1)
@@ -2247,7 +2248,6 @@
             '*node-name': 'str',
             '*discard': 'BlockdevDiscardOptions',
             '*cache': 'BlockdevCacheOptions',
-            '*aio': 'BlockdevAioOptions',
             '*read-only': 'bool',
             '*detect-zeroes': 'BlockdevDetectZeroesOptions' },
   'discriminator': 'driver',