diff --git a/ich_descriptors.h b/ich_descriptors.h
index 727a31b..274d0fe 100644
--- a/ich_descriptors.h
+++ b/ich_descriptors.h
@@ -521,7 +521,8 @@
 		struct {
 			uint32_t VTBA	:8,	/* ME VSCC Table Base Address */
 				 VTL	:8,	/* ME VSCC Table Length */
-					:16;
+					:8,
+				 MDTBA	:8;	/* MIP Descr. Table Base Addr. (new since Cannon Point/300) */
 		};
 	};
 	struct {