diff --git a/ngx_http_zip_file.c b/ngx_http_zip_file.c
index 3e0e482..ce47c0e 100644
--- a/ngx_http_zip_file.c
+++ b/ngx_http_zip_file.c
@@ -499,10 +499,7 @@ ngx_http_zip_file_header_chain_link(ngx_http_request_t *r, ngx_http_zip_ctx_t *c
 
     b->memory = 1;
     b->last = b->pos + len;
-#if (NGX_HTTP_SSL)
-    b->flush = !!r->connection->ssl;
-#endif
-
+    
     /* A note about the ZIP format: in order to appease all ZIP software I
      * could find, the local file header contains the file sizes but not the
      * CRC-32, even though setting the third bit of the general purpose bit
diff --git a/ngx_http_zip_module.c b/ngx_http_zip_module.c
index c9d4838..6e0cdc2 100644
--- a/ngx_http_zip_module.c
+++ b/ngx_http_zip_module.c
@@ -683,6 +683,9 @@ ngx_http_zip_send_pieces(ngx_http_request_t *r,
                 pieces_sent++;
                 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, "mod_zip: no ranges / sending piece type %d", piece->type);
                 rc = ngx_http_zip_send_piece(r, ctx, piece, NULL);
+                if (rc == NGX_AGAIN && r->connection->buffered && !r->postponed) {
+                    rc = NGX_OK;
+                }
             }
             break;
         case 1: