ipport.go | 2 +-

diff --git a/ipport.go b/ipport.go
index f710354a938362c2ce30c4c6dca465abb8763399..9fe9e42d80e5df97d524d26fa632be72b2b9cb8f 100644
--- a/ipport.go
+++ b/ipport.go
@@ -17,7 +17,7 @@ 		_, port, err := net.SplitHostPort(addr.String())
 		if err != nil {
 			return 0
 		}
-		i64, err := strconv.ParseInt(port, 0, 0)
+		i64, err := strconv.ParseUint(port, 0, 16)
 		if err != nil {
 			panic(err)
 		}