diff --git a/libs/sysplugins/smarty_internal_compile_capture.php b/libs/sysplugins/smarty_internal_compile_capture.php
index d77f59607..be45f3e94 100644
--- a/libs/sysplugins/smarty_internal_compile_capture.php
+++ b/libs/sysplugins/smarty_internal_compile_capture.php
@@ -74,7 +74,7 @@ public static function compileSpecialVariable($args, Smarty_Internal_TemplateCom
         if (!$name) {
             $compiler->trigger_template_error("missing or illegal \$smarty.{$tag} name attribute", null, true);
         }
-        return "isset(\$_smarty_tpl->_cache['__smarty_capture']['{$name}']) ? \$_smarty_tpl->_cache['__smarty_capture']['{$name}'] : null";
+        return "(isset(\$_smarty_tpl->_cache['__smarty_capture']['{$name}']) ? \$_smarty_tpl->_cache['__smarty_capture']['{$name}'] : null)";
     }
 }