diff --git a/headers/private/graphics/nvidia/nv_macros.h b/headers/private/graphics/nvidia/nv_macros.h
index a896be65b6..ba6b475067 100644
--- a/headers/private/graphics/nvidia/nv_macros.h
+++ b/headers/private/graphics/nvidia/nv_macros.h
@@ -381,6 +381,8 @@
 #define NVACC_NV40_WHAT_T3	0x004069a8
 #define NVACC_NV40P_WHAT_T0	0x004009f0
 #define NVACC_NV40P_WHAT_T1	0x004009f4
+#define NVACC_NV47_WHAT_T0	0x00400df0
+#define NVACC_NV47_WHAT_T1	0x00400df4
 #define NVACC_NV40P_WHAT_T2	0x004069f0
 #define NVACC_NV40P_WHAT_T3	0x004069f4
 #define NVACC_NV10_TIL0AD	0x00400b00