diff -urNb mpd-3.18/src/pptp.c mpd-3.18.patched/src/pptp.c
--- mpd-3.18/src/pptp.c	Tue May  4 22:12:28 2004
+++ mpd-3.18.patched/src/pptp.c	Wed Sep 28 11:32:18 2005
@@ -241,6 +241,16 @@
 
 	(*pptp->cinfo.answer)(pptp->cinfo.cookie,
 	  PPTP_OCR_RESL_OK, 0, 0, 64000 /*XXX*/ );
+
+	if (pptp->state == PPTP_STATE_DOWN) {
+		/* XXX Control connection was closed in state OPENING */
+		Log(LG_ERR,
+			("[%s] Control connection was closed while answering",
+			 lnk->name));
+		PptpKillNode(pptp);
+		break;
+	}
+	
 	pptp->state = PPTP_STATE_UP;
 	PhysUp();
 	return;