diff --git a/simulator/runner/cli.rs b/simulator/runner/cli.rs
index 2624f3eda..28daa1840 100644
--- a/simulator/runner/cli.rs
+++ b/simulator/runner/cli.rs
@@ -82,9 +82,9 @@ pub struct SimulatorCLI {
         default_value_t = false
     )]
     pub disable_select_optimizer: bool,
-    #[clap(long, help = "disable FsyncNoWait Property", default_value_t = false)]
+    #[clap(long, help = "disable FsyncNoWait Property", default_value_t = true)]
     pub disable_fsync_no_wait: bool,
-    #[clap(long, help = "disable FaultyQuery Property", default_value_t = false)]
+    #[clap(long, help = "disable FaultyQuery Property", default_value_t = true)]
     pub disable_faulty_query: bool,
     #[clap(long, help = "disable Reopen-Database fault", default_value_t = false)]
     pub disable_reopen_database: bool,