diff --git a/sim/mcuboot-sys/src/api.rs b/sim/mcuboot-sys/src/api.rs
index f38d98e..a474e8f 100644
--- a/sim/mcuboot-sys/src/api.rs
+++ b/sim/mcuboot-sys/src/api.rs
@@ -209,7 +209,8 @@
         1 => log_enabled!(Level::Error),
         2 => log_enabled!(Level::Warn),
         3 => log_enabled!(Level::Info),
-        4 => log_enabled!(Level::Trace),
+        4 => log_enabled!(Level::Debug),
+        5 => log_enabled!(Level::Trace), // log level == SIM
         _ => false,
     };
     if res {