diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index bce0f22677c1..803576568154 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -10655,7 +10655,7 @@ error:
 #define NVRAM_SELFBOOT_FORMAT1_3_SIZE	0x1c
 #define NVRAM_SELFBOOT_FORMAT1_4_SIZE	0x20
 #define NVRAM_SELFBOOT_FORMAT1_5_SIZE	0x24
-#define NVRAM_SELFBOOT_FORMAT1_6_SIZE	0x4c
+#define NVRAM_SELFBOOT_FORMAT1_6_SIZE	0x50
 #define NVRAM_SELFBOOT_HW_SIZE 0x20
 #define NVRAM_SELFBOOT_DATA_SIZE 0x1c