diff --git a/src/hb-ot-tag.cc b/src/hb-ot-tag.cc
index 878dd79..160c80e 100644
--- a/src/hb-ot-tag.cc
+++ b/src/hb-ot-tag.cc
@@ -542,6 +542,7 @@
   {"nr",	HB_TAG('N','D','B',' ')},	/* [South] Ndebele */
   {"nsk",	HB_TAG('N','A','S',' ')},	/* Naskapi */
   {"nso",	HB_TAG('S','O','T',' ')},	/* [Northern] Sotho */
+  {"nv",	HB_TAG('N','A','V',' ')},	/* Navajo (not standardized yet) */
   {"ny",	HB_TAG('C','H','I',' ')},	/* Chewa/Chichwa/Nyanja */
   {"nym",	HB_TAG('N','Y','M',' ')},	/* Nyamwezi */
   {"nyn",	HB_TAG('N','K','L',' ')},	/* Nyankole */