diff --git a/include/cutils/trace.h b/include/cutils/trace.h
index 3f49e8ce1..fd9bc6a9b 100644
--- a/include/cutils/trace.h
+++ b/include/cutils/trace.h
@@ -69,7 +69,8 @@ __BEGIN_DECLS
 #define ATRACE_TAG_RESOURCES        (1<<13)
 #define ATRACE_TAG_DALVIK           (1<<14)
 #define ATRACE_TAG_RS               (1<<15)
-#define ATRACE_TAG_LAST             ATRACE_TAG_RS
+#define ATRACE_TAG_BIONIC           (1<<16)
+#define ATRACE_TAG_LAST             ATRACE_TAG_BIONIC
 
 // Reserved for initialization.
 #define ATRACE_TAG_NOT_READY        (1LL<<63)