diff --git a/unix/data.c b/unix/data.c
index a2ce1cca..c49d8fe7 100644
--- a/unix/data.c
+++ b/unix/data.c
@@ -68,6 +68,7 @@ gchar *vgmstream_exts [] = {
   "amts",
   "svs",
   "pos",
+  "nwa",
   /* terminator */
   NULL
 };