diff --git a/libs/sysplugins/smarty_internal_extension_codeframe.php b/libs/sysplugins/smarty_internal_extension_codeframe.php
index ca6e8fc1..19d82111 100644
--- a/libs/sysplugins/smarty_internal_extension_codeframe.php
+++ b/libs/sysplugins/smarty_internal_extension_codeframe.php
@@ -39,6 +39,8 @@ class Smarty_Internal_Extension_CodeFrame
         }
         $output .= "if (isset(\$_smarty_tpl)) {\n";
         $output .= "\$_valid = \$_smarty_tpl->decodeProperties(" . var_export($_template->properties, true) . ',' . ($cache ? 'true' : 'false') . ");\n";
+        $output .= "} else {\n";
+        $output .= "\$_valid = false;\n";
         $output .= "}\n";
         $output .= "/*/%%SmartyHeaderCode%%*/\n";
         $output .= "if (\$_valid && !is_callable('{$_template->properties['unifunc']}')) {function {$_template->properties['unifunc']} (\$_smarty_tpl) {\n";