diff --git a/src/event/ngx_event_openssl.c b/src/event/ngx_event_openssl.c
index 7903eb64c..30e588c82 100644
--- a/src/event/ngx_event_openssl.c
+++ b/src/event/ngx_event_openssl.c
@@ -990,7 +990,6 @@ ngx_ssl_send_chain(ngx_connection_t *c, ngx_chain_t *in, off_t limit)
             }
 
             if (n == NGX_AGAIN) {
-                c->buffered |= NGX_SSL_BUFFERED;
                 return in;
             }