diff --git a/src/classes/Gantry/Component/Twig/TwigExtension.php b/src/classes/Gantry/Component/Twig/TwigExtension.php
index 533fc14cf..5a9c11b35 100644
--- a/src/classes/Gantry/Component/Twig/TwigExtension.php
+++ b/src/classes/Gantry/Component/Twig/TwigExtension.php
@@ -222,7 +222,7 @@ class TwigExtension extends AbstractExtension implements GlobalsInterface
      */
     public function jsonDecodeFilter($str, $assoc = false, $depth = 512, $options = 0)
     {
-        return json_decode(html_entity_decode($str), $assoc, $depth, $options);
+        return json_decode(html_entity_decode($str ?? ''), $assoc, $depth, $options);
     }
 
     /**