diff --git a/storage/innobase/srv/srv0start.cc b/storage/innobase/srv/srv0start.cc
index 9ad5c960e5f30..76587822bb1dc 100644
--- a/storage/innobase/srv/srv0start.cc
+++ b/storage/innobase/srv/srv0start.cc
@@ -2603,7 +2603,7 @@ innobase_start_or_create_for_mysql(void)
 			buf_mtflu_set_thread_ids(
 				srv_mtflush_threads,
 				mtflush_ctx,
-				(thread_ids + 6 + SRV_MAX_N_PURGE_THREADS));
+				(thread_ids + 6 + 32));
 
 #if UNIV_DEBUG
 			fprintf(stderr, "InnoDB: Note: %s:%d buf-pool-instances:%lu mtflush_threads %lu\n",