diff --git a/loader/wine/winnt.h b/loader/wine/winnt.h
index 03f4a777bd..478f8b78f8 100644
--- a/loader/wine/winnt.h
+++ b/loader/wine/winnt.h
@@ -132,7 +132,10 @@ typedef struct _SINGLE_LIST_ENTRY {
 #define PF_MMX_INSTRUCTIONS_AVAILABLE		3
 #define PF_PPC_MOVEMEM_64BIT_OK			4
 #define PF_ALPHA_BYTE_INSTRUCTIONS		5
-
+/* based on wine-20010510 -- alex */
+#define PF_XMMI_INSTRUCTIONS_AVAILABLE		6
+#define PF_AMD3D_INSTRUCTIONS_AVAILABLE		7
+#define PF_RDTSC_INSTRUCTION_AVAILABLE		8
 
 /* The Win32 register context */