diff --git a/src/os_mswin.c b/src/os_mswin.c
index cfa2084..45b1478 100644
--- a/src/os_mswin.c
+++ b/src/os_mswin.c
@@ -2570,6 +2570,9 @@
 	/* Loop until we receive a reply */
 	while (reply_received == 0)
 	{
+#ifdef FEAT_TIMERS
+	    check_due_timer();
+#endif
 	    /* Wait for a SendMessage() call to us.  This could be the reply
 	     * we are waiting for.  Use a timeout of a second, to catch the
 	     * situation that the server died unexpectedly. */