diff --git a/src/module/zip.php b/src/module/zip.php
index e64cea1..7e11a64 100644
--- a/src/module/zip.php
+++ b/src/module/zip.php
@@ -208,7 +208,8 @@ class zip extends Action
             return;
         }
         @set_time_limit(300);
-        $zip = new zip\Zip($path);
+        $fp  = fopen($path, 'wb');
+        $zip = new zip\Zip($fp);
         foreach ($exclude as $e) {
             $e = '#(^|/)(' . str_replace(
                 ['.', '*'],
@@ -223,6 +224,7 @@ class zip extends Action
             true
         );
         $zip->close();
+        $zip->write();
         unset($zip);
 
         $this->setSuccess(sprintf(__('Zip module into "%s"'), $path));
diff --git a/src/module/zip/Zip.php b/src/module/zip/Zip.php
index c533d42..a281006 100644
--- a/src/module/zip/Zip.php
+++ b/src/module/zip/Zip.php
@@ -24,9 +24,10 @@ class Zip extends \Dotclear\Helper\File\Zip\Zip
      *
      * @param      string    $name   The name
      * @param      string    $file   The file
+     * @param      string    $size   The size
      * @param      int|null  $mtime  The mtime
      */
-    protected function writeFile(string $name, string $file, ?int $mtime)
+    protected function writeFile($name, $file, $size, $mtime)
     {
         if (!isset($this->entries[$name])) {
             return;