diff --git a/mingw-w64-headers/include/wtsapi32.h b/mingw-w64-headers/include/wtsapi32.h
index fd0afba..5fe9993 100644
--- a/mingw-w64-headers/include/wtsapi32.h
+++ b/mingw-w64-headers/include/wtsapi32.h
@@ -255,6 +255,8 @@
   DWORD                  SessionId;
   DWORD                  IncomingBytes;
   DWORD                  OutgoingBytes;
+  DWORD                  IncomingFrames;
+  DWORD                  OutgoingFrames;
   DWORD                  IncomingCompressedBytes;
   DWORD                  OutgoingCompressedBytes;
   WCHAR                  WinStationName[WINSTATIONNAME_LENGTH];
@@ -272,6 +274,8 @@
   DWORD                  SessionId;
   DWORD                  IncomingBytes;
   DWORD                  OutgoingBytes;
+  DWORD                  IncomingFrames;
+  DWORD                  OutgoingFrames;
   DWORD                  IncomingCompressedBytes;
   DWORD                  OutgoingCompressedBytes;
   CHAR                   WinStationName[WINSTATIONNAME_LENGTH];