diff --git a/lib/misc.js b/lib/misc.js
index 34d9eafe..7599aef9 100644
--- a/lib/misc.js
+++ b/lib/misc.js
@@ -196,7 +196,7 @@ Volcanos("misc", {Message: function(event, can) { var msg = {}
 		return search? location.search = search: location.href = location.pathname
 	},
 	CookieSessid: function(can, value, path) {
-		return can.misc.Cookie(can, ice.MSG_SESSID+"_"+can.base.replaceAll(location.port, ice.PT, "_", ice.DF, "_"), value, path)
+		return can.misc.Cookie(can, ice.MSG_SESSID+"_"+(can.base.replaceAll(location.port, ice.PT, "_", ice.DF, "_")||(location.protocol == "https:"? "443": "80")), value, path)
 		return can.misc.Cookie(can, ice.MSG_SESSID+"_"+can.base.replaceAll(location.host, ice.PT, "_", ice.DF, "_"), value, path)
 	},
 	Cookie: function(can, key, value, path) {