diff --git a/src/H5Fed_map.h b/src/H5Fed_map.h
index 5d673c8..8b7b04d 100644
--- a/src/H5Fed_map.h
+++ b/src/H5Fed_map.h
@@ -25,5 +25,11 @@ H5FedMapTet2GlobalID (
 	h5_id_t * const global_vids
 	);
 
+h5_id_t
+H5FedMapTriangle2GlobalID (
+	h5_file * const f,
+	h5_id_t * const global_vids
+	);
+
 #endif