diff --git a/include/net/xfrm.h b/include/net/xfrm.h
index 2a7d2132a1ae..aa3be68041be 100644
--- a/include/net/xfrm.h
+++ b/include/net/xfrm.h
@@ -314,7 +314,7 @@ struct xfrm_tmpl
 	__u32			calgos;
 };
 
-#define XFRM_MAX_DEPTH		4
+#define XFRM_MAX_DEPTH		6
 
 struct xfrm_policy
 {