diff --git a/src/w32term.h b/src/w32term.h
index 5bc94c832fc..c737632a41f 100644
--- a/src/w32term.h
+++ b/src/w32term.h
@@ -731,3 +731,5 @@ int image_ascent P_ ((struct image *, struct face *));
    ? UNICODE_FONT					\
    : ((CHARSET_DIMENSION (CHAR_CHARSET ((ch))) == 1)	\
       ? BDF_1D_FONT : BDF_2D_FONT))
+
+typedef DWORD (WINAPI * ClipboardSequence_Proc) ();