diff --git a/Parsedown.php b/Parsedown.php
index c5a8123..3a6ee44 100755
--- a/Parsedown.php
+++ b/Parsedown.php
@@ -1402,7 +1402,7 @@ class Parsedown
 
             if (isset($Element['handler']))
             {
-                $markup .= $this->$Element['handler']($Element['text']);
+                $markup .= $this->{$Element['handler']}($Element['text']);
             }
             else
             {