diff --git a/tools/kwbimage.c b/tools/kwbimage.c
index 1ff17cab269f961dd7796f93b9c7b6b0dac3cbb2..91e0990ad6b9b2833bfacaab781b378e033d9a07 100644
--- a/tools/kwbimage.c
+++ b/tools/kwbimage.c
@@ -115,6 +115,7 @@ struct boot_mode boot_modes[] = {
 	{ 0x78, "sata" },
 	{ 0x9C, "pex"  },
 	{ 0x69, "uart" },
+	{ 0xAE, "sdio" },
 	{},
 };