diff --git a/plugins/shortcode-custom/Prismjsshroot.php b/plugins/shortcode-custom/Prismjsshroot.php
index 9589855..3eda12a 100644
--- a/plugins/shortcode-custom/Prismjsshroot.php
+++ b/plugins/shortcode-custom/Prismjsshroot.php
@@ -8,8 +8,8 @@ class Prismjsshroot extends Shortcode
     public function init()
     {
         $this->shortcode->getRawHandlers()->add('shroot', function(ShortcodeInterface $sc) {
-            $content = trim($sc->getContent(), "\n ");
             $content = preg_replace('/^```.*$/m', '', $content);
+            $content = trim($sc->getContent(), "\n ");
             return '<pre class="command-line language-sh" data-prompt="#" data-continuation-str="\" tabindex="0"><code class="language-sh">'.$content.'</code></pre>';
         });
     }