diff --git a/includes/class-displayfeaturedimagegenesis-settings.php b/includes/class-displayfeaturedimagegenesis-settings.php
index 96a3280..bb0cb54 100644
--- a/includes/class-displayfeaturedimagegenesis-settings.php
+++ b/includes/class-displayfeaturedimagegenesis-settings.php
@@ -286,7 +286,7 @@ class Display_Featured_Image_Genesis_Settings {
 	 * @param mixed $new_value Should ideally be a 1 or 0 integer passed in
 	 * @return integer 1 or 0.
 	 */
-	public function one_zero( $new_value ) {
+	protected function one_zero( $new_value ) {
 		return (int) (bool) $new_value;
 	}