diff --git a/framework-t/src/android/net/IpSecManager.java b/framework-t/src/android/net/IpSecManager.java
index 8376299..0b266b2 100644
--- a/framework-t/src/android/net/IpSecManager.java
+++ b/framework-t/src/android/net/IpSecManager.java
@@ -86,6 +86,7 @@
      *
      * @hide
      */
+    @SystemApi(client = MODULE_LIBRARIES)
     public static final int DIRECTION_FWD = 2;
 
     /**