diff --git a/headers/private/graphics/nvidia/nv_acc.h b/headers/private/graphics/nvidia/nv_acc.h
index 870a0b8cdb..f7f024d2a3 100644
--- a/headers/private/graphics/nvidia/nv_acc.h
+++ b/headers/private/graphics/nvidia/nv_acc.h
@@ -8,6 +8,11 @@
 #define NV_ACC_H
 
 typedef struct {
+	uint32 reserved00[0x0004];
+	uint16 FifoFree;	/* little endian */
+	uint16 Nop;			/* little endian */
+	uint32 reserved01[0x00bb];
+	uint32 Rop3;		/* b0-7 is ROP3, b8-31 are not used */
 } cmd_nv_rop5_solid;
 
 typedef struct {