diff --git a/windows/memory_windows.go b/windows/memory_windows.go
index e409d76..1adb607 100644
--- a/windows/memory_windows.go
+++ b/windows/memory_windows.go
@@ -16,13 +16,19 @@
 	MEM_RESET_UNDO  = 0x01000000
 	MEM_LARGE_PAGES = 0x20000000
 
-	PAGE_NOACCESS          = 0x01
-	PAGE_READONLY          = 0x02
-	PAGE_READWRITE         = 0x04
-	PAGE_WRITECOPY         = 0x08
-	PAGE_EXECUTE_READ      = 0x20
-	PAGE_EXECUTE_READWRITE = 0x40
-	PAGE_EXECUTE_WRITECOPY = 0x80
+	PAGE_NOACCESS          = 0x00000001
+	PAGE_READONLY          = 0x00000002
+	PAGE_READWRITE         = 0x00000004
+	PAGE_WRITECOPY         = 0x00000008
+	PAGE_EXECUTE           = 0x00000010
+	PAGE_EXECUTE_READ      = 0x00000020
+	PAGE_EXECUTE_READWRITE = 0x00000040
+	PAGE_EXECUTE_WRITECOPY = 0x00000080
+	PAGE_GUARD             = 0x00000100
+	PAGE_NOCACHE           = 0x00000200
+	PAGE_WRITECOMBINE      = 0x00000400
+	PAGE_TARGETS_INVALID   = 0x40000000
+	PAGE_TARGETS_NO_UPDATE = 0x40000000
 
 	QUOTA_LIMITS_HARDWS_MIN_DISABLE = 0x00000002
 	QUOTA_LIMITS_HARDWS_MIN_ENABLE  = 0x00000001