diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c
index 475845b27a98..4c141de4a5da 100644
--- a/sys/dev/cxgbe/t4_main.c
+++ b/sys/dev/cxgbe/t4_main.c
@@ -490,6 +490,7 @@ struct {
 	{0x5411,  "Chelsio T520-LL-CR"},	/* 2 x 10G */
 	{0x5412,  "Chelsio T560-CR"},		/* 1 x 40G, 2 x 10G */
 	{0x5414,  "Chelsio T580-LP-SO-CR"},	/* 2 x 40G, nomem */
+	{0x5415,  "Chelsio T502-BT"},		/* 2 x 1G */
 #ifdef notyet
 	{0x5404,  "Chelsio T520-BCH"},
 	{0x5405,  "Chelsio T540-BCH"},