diff --git a/src/backend/storage/aio/aio.c b/src/backend/storage/aio/aio.c
index a9c351eb0dc..325688f0f23 100644
--- a/src/backend/storage/aio/aio.c
+++ b/src/backend/storage/aio/aio.c
@@ -413,6 +413,7 @@ pgaio_io_stage(PgAioHandle *ioh, PgAioOp op)
        bool            needs_synchronous;
 
        Assert(ioh->state == PGAIO_HS_HANDED_OUT);
+       Assert(pgaio_my_backend->handed_out_io == ioh);
        Assert(pgaio_io_has_target(ioh));
 
        ioh->op = op;