diff --git a/apps/emqx/etc/vm.args.cloud b/apps/emqx/etc/vm.args.cloud
index 9a4530ce5..34fc19777 100644
--- a/apps/emqx/etc/vm.args.cloud
+++ b/apps/emqx/etc/vm.args.cloud
@@ -113,3 +113,6 @@
 ## Mnesia thresholds
 -mnesia dump_log_write_threshold 5000
 -mnesia dump_log_time_threshold 60000
+
+## Disable os_mon's disksup by default
+-os_mon start_disksup false