diff --git a/includes/class-wc-post-types.php b/includes/class-wc-post-types.php
index 24cf034115f..5029f0ca332 100644
--- a/includes/class-wc-post-types.php
+++ b/includes/class-wc-post-types.php
@@ -165,7 +165,7 @@ class WC_Post_types {
 		if ( $attribute_taxonomies = wc_get_attribute_taxonomies() ) {
 			foreach ( $attribute_taxonomies as $tax ) {
 				if ( $name = wc_attribute_taxonomy_name( $tax->attribute_name ) ) {
-					$tax->attribute_public          = isset( $tax->attribute_public ) ? $tax->attribute_public : 1;
+					$tax->attribute_public          = absint( isset( $tax->attribute_public ) ? $tax->attribute_public : 1 );
 					$label                          = ! empty( $tax->attribute_label ) ? $tax->attribute_label : $tax->attribute_name;
 					$wc_product_attributes[ $name ] = $tax;
 					$taxonomy_data                  = array(
diff --git a/readme.txt b/readme.txt
index 0d53f4929e4..bb62b5149d0 100644
--- a/readme.txt
+++ b/readme.txt
@@ -145,6 +145,7 @@ Yes you can! Join in on our [GitHub repository](http://github.com/woothemes/wooc
 * Fix - When updating shipping in cart, keep shipping calculator in DOM.
 * Fix - WC_TEMPLATE_DEBUG_MODE in admin.
 * Fix - Average product rating when ratings are not required.
+* Fix - attribute_public option.
 
 = 2.3.1 - 11/02/2015 =
 * Fix - When the geolocation database cannot download, ensure the correct method is used to log the error.