diff --git a/src/Plugin/views/join/WithArgs.php b/src/Plugin/views/join/WithArgs.php
index 4f2ec09..2311f5d 100644
--- a/src/Plugin/views/join/WithArgs.php
+++ b/src/Plugin/views/join/WithArgs.php
@@ -15,7 +15,14 @@ class WithArgs extends JoinPluginBase {
    * {@inheritdoc}
    */
   public function buildJoin($select_query, $table, $view_query) {
-    $view_args = !empty($view_query->view->args) ? json_encode($view_query->view->args) : '[]';
+    $view_args = !empty($view_query->view->args) ? $view_query->view->args : [];
+    $context = [
+      'select_query' => &$select_query,
+      'table' => &$table,
+      'view_query' => &$view_query,
+    ];
+    \Drupal::moduleHandler()->alter('draggableviews_join_withargs', $view_args, $context);
+    $view_args = json_encode($view_args);
 
     if (!isset($this->extra)) {
       $this->extra = [];