diff --git a/src/voku/helper/Hooks.php b/src/voku/helper/Hooks.php
index 94d8daf..28ed454 100644
--- a/src/voku/helper/Hooks.php
+++ b/src/voku/helper/Hooks.php
@@ -923,7 +923,7 @@ public function has_shortcode($content, $tag)
         foreach ($matches as $shortcode) {
           if ($tag === $shortcode[2]) {
             return true;
-          } elseif ( ! empty( $shortcode[5] ) && has_shortcode( $shortcode[5], $tag ) ) {
+          } elseif ( ! empty( $shortcode[5] ) && $this->has_shortcode( $shortcode[5], $tag ) ) {
             return true;
           }  
         }