diff --git a/src/mctp-client.c b/src/mctp-client.c
index e14ddd2..dc29102 100644
--- a/src/mctp-client.c
+++ b/src/mctp-client.c
@@ -72,6 +72,12 @@ static struct type_lookup_t {
 		.description =
 			"CXL type 3 device component command interface over mctp per DSP0281",
 	},
+	{
+		.name = "pcie-mi",
+		.type = 9,
+		.description =
+			"PCIe management interface over mctp per DSP0291",
+	},
 	{
 		.name = "pci",
 		.type = 0x7e,