diff --git a/cake/libs/view/helpers/html.php b/cake/libs/view/helpers/html.php
index 9ede3cfab..daad131a5 100644
--- a/cake/libs/view/helpers/html.php
+++ b/cake/libs/view/helpers/html.php
@@ -366,7 +366,7 @@ class HtmlHelper extends AppHelper {
 				$notCheckedValue = -1;
 			}
 		} else {
-			if (isset($htmlAttributes['value']) || (!class_exists($this->model) && !loadModel($this->model))) {
+			if (isset($htmlAttributes['value']) || (!class_exists($this->model()) && !loadModel($this->model()))) {
 				$htmlAttributes['checked'] = ($htmlAttributes['value'] == $value) ? 'checked' : null;
 
 				if ($htmlAttributes['value'] == '0') {