diff --git a/lib/chibi/net/server.scm b/lib/chibi/net/server.scm
index 3f4df3a3..48bce643 100644
--- a/lib/chibi/net/server.scm
+++ b/lib/chibi/net/server.scm
@@ -48,6 +48,7 @@
                         (close-output-port (cdr ports))
                         (close-file-descriptor sock)))
           (handler (car ports) (cdr ports) sock addr)
+          (flush-output (cdr ports))
           (close-input-port (car ports))
           (close-output-port (cdr ports))
           (close-file-descriptor sock)))