diff --git a/storage/innobase/buf/buf0dblwr.cc b/storage/innobase/buf/buf0dblwr.cc

index 36054dbf9fe..32b4399b41d 100644

--- a/storage/innobase/buf/buf0dblwr.cc

+++ b/storage/innobase/buf/buf0dblwr.cc

@@ -1,7 +1,7 @@

 /*****************************************************************************

 Copyright (c) 1995, 2017, Oracle and/or its affiliates. All Rights Reserved.

-Copyright (c) 2013, 2019, MariaDB Corporation.

+Copyright (c) 2013, 2020, MariaDB Corporation.

 This program is free software; you can redistribute it and/or modify it under

 the terms of the GNU General Public License as published by the Free Software

@@ -963,6 +963,7 @@ buf_dblwr_flush_buffered_writes(void)

 		ib_int64_t	sig_count = os_event_reset(buf_dblwr->b_event);

 		mutex_exit(&buf_dblwr->mutex);

+		os_aio_simulated_wake_handler_threads();

 		os_event_wait_low(buf_dblwr->b_event, sig_count);

 		goto try_again;

 	}

@@ -1096,6 +1097,7 @@ buf_dblwr_add_to_batch(

 		checkpoint. */

 		ib_int64_t	sig_count = os_event_reset(buf_dblwr->b_event);

 		mutex_exit(&buf_dblwr->mutex);

+		os_aio_simulated_wake_handler_threads();

 		os_event_wait_low(buf_dblwr->b_event, sig_count);

 		goto try_again;