diff --git a/headers/private/graphics/nvidia/nv_macros.h b/headers/private/graphics/nvidia/nv_macros.h
index 5c69a751f3..a896be65b6 100644
--- a/headers/private/graphics/nvidia/nv_macros.h
+++ b/headers/private/graphics/nvidia/nv_macros.h
@@ -159,6 +159,8 @@
 #define NVACC_NV40P_BLIMIT6	0x004008a0
 #define NVACC_NV40P_BLIMIT7	0x004008a4
 #define NVACC_NV20_WHAT0	0x00400900
+#define NVACC_NV41_WHAT0	0x00400d00
+#define NVACC_NV20_2_WHAT0	0x00406900
 #define NVACC_NV40_WHAT0	0x004009b0
 #define NVACC_NV40_WHAT1	0x004009b4
 #define NVACC_NV40_WHAT2	0x004009b8