diff --git a/core/java/android/os/Trace.java b/core/java/android/os/Trace.java
index fa96dd355e0e3..0f4fc367f34fd 100644
--- a/core/java/android/os/Trace.java
+++ b/core/java/android/os/Trace.java
@@ -89,6 +89,8 @@ public final class Trace {
     public static final long TRACE_TAG_NETWORK = 1L << 21;
     /** @hide */
     public static final long TRACE_TAG_ADB = 1L << 22;
+    /** @hide */
+    public static final long TRACE_TAG_AIDL = 1L << 24;
 
     private static final long TRACE_TAG_NOT_READY = 1L << 63;
     private static final int MAX_SECTION_NAME_LEN = 127;