diff --git a/core/rf_table.h b/core/rf_table.h
index 6964c5a..2569f25 100644
--- a/core/rf_table.h
+++ b/core/rf_table.h
@@ -264,6 +264,7 @@ int RF_JAVA[512] =
         SYS_userfaultfd, -1,
         318, -1, // what's this?
         334, -1, // what's this?
+        435, -1, // what's this?
         -1
     };
 #endif