diff --git a/server.go b/server.go
index 7c5522a..e40b0d1 100644
--- a/server.go
+++ b/server.go
@@ -145,11 +145,10 @@ func (s *Server) handleConnection(ctx context.Context, conn net.Conn) {
 			fields[log.FnError] = err.Error()
 			_ = s.logger.Warn("peekHTTP failed", fields)
 		} else if host != "" {
-			if !strings.Contains(host, ":") {
-				addr = host + addr[strings.Index(addr, ":"):]
-			} else {
-				addr = host
+			if strings.Contains(host, ":") {
+				host = host[:strings.Index(host, ":")]
 			}
+			addr = host + addr[strings.Index(addr, ":"):]
 		}
 		reader = reader_n3
 	}