diff --git a/libc/kernel/uapi/linux/mpls.h b/libc/kernel/uapi/linux/mpls.h
index 64b4279..1a95a30 100644
--- a/libc/kernel/uapi/linux/mpls.h
+++ b/libc/kernel/uapi/linux/mpls.h
@@ -34,5 +34,16 @@
 #define MPLS_LS_S_SHIFT 8
 #define MPLS_LS_TTL_MASK 0x000000FF
 #define MPLS_LS_TTL_SHIFT 0
-#endif
+#define MPLS_LABEL_IPV4NULL 0
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define MPLS_LABEL_RTALERT 1
+#define MPLS_LABEL_IPV6NULL 2
+#define MPLS_LABEL_IMPLNULL 3
+#define MPLS_LABEL_ENTROPY 7
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define MPLS_LABEL_GAL 13
+#define MPLS_LABEL_OAMALERT 14
+#define MPLS_LABEL_EXTENSION 15
+#define MPLS_LABEL_FIRST_UNRESERVED 16
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#endif