diff --git a/src/Flatpickr.php b/src/Flatpickr.php
index 3bd6380..5e25f25 100644
--- a/src/Flatpickr.php
+++ b/src/Flatpickr.php
@@ -71,7 +71,7 @@ public function run(): string
      */
     private function registerClientScript()
     {
-        $this->_id = $this->options['id'];
+        $this->_id = $this->options['flatpickr'] ?? $this->options['id'];
         $view = $this->getView();
 
         $config = Json::encode(ArrayHelper::merge($this->defaultOptions, $this->clientOptions));