diff --git a/hw/xwin/winclipboardwndproc.c b/hw/xwin/winclipboardwndproc.c
index d2b1b2fa6..7aa68892e 100644
--- a/hw/xwin/winclipboardwndproc.c
+++ b/hw/xwin/winclipboardwndproc.c
@@ -65,7 +65,7 @@ extern HWND		g_hwndClipboard;
  * Local function prototypes
  */
 
-static Bool
+static int
 winProcessXEventsTimeout (HWND hwnd, int iWindow, Display *pDisplay,
 			  Bool fUseUnicode, int iTimeoutSec);