diff --git a/runtime/base/logging.h b/runtime/base/logging.h
index 2cd1a4d..115c260 100644
--- a/runtime/base/logging.h
+++ b/runtime/base/logging.h
@@ -48,6 +48,7 @@
   bool oat;
   bool profiler;
   bool signals;
+  bool simulator;
   bool startup;
   bool third_party_jni;  // Enabled with "-verbose:third-party-jni".
   bool threads;