diff --git a/runtime/base/mutex-inl.h b/runtime/base/mutex-inl.h
index 6c415e7..a9472f7 100644
--- a/runtime/base/mutex-inl.h
+++ b/runtime/base/mutex-inl.h
@@ -146,7 +146,7 @@
           // Ignore logging which may or may not have set up thread data structures.
           level == kLoggingLock ||
           // Avoid recursive death.
-          level == kAbortLock);
+          level == kAbortLock) << level;
   }
 }