diff --git a/includes/functions.php b/includes/functions.php
index 7777b94..ec8c93e 100644
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -3615,7 +3615,7 @@ function wp_review_facebook_page_review_schema( $review, $page ) {
  * @param  string $type  Rating type.
  * @return float
  */
-function wp_review_normalize_rating_value( $value, $type ) {
+function wp_review_normalize_rating_value( $value, $type = 'star' ) {
 	$rating_type = wp_review_get_rating_type_data( $type );
 	if ( ! $rating_type ) {
 		return $value;
diff --git a/readme.txt b/readme.txt
index 203cbf9..8014f7a 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Creator's website link: http://mythemeshop.com/plugins/wp-review/
 Tags: review, schema.org, rating, schema, user rating, google rating, star rating, product review
 Requires at least: 4.9
 Tested up to: 5.4
-Stable tag: 5.3.1
+Stable tag: 5.3.2
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -151,6 +151,9 @@ There are two ways you can do this. You can update the plugin by downloading a f
 
 == Changelog ==
 
+= v5.3.2 (Apr 9, 2020) =
+* Fixed `Fatal error: Uncaught ArgumentCountError` appearing on some installations
+
 = v5.3.1 (Apr 8, 2020) =
 * Improved Weeblramp plugin integration
 * Fixed wrong decimal of rating value in the schema output
diff --git a/wp-review.php b/wp-review.php
index 1260d76..0f79f0e 100755
--- a/wp-review.php
+++ b/wp-review.php
@@ -3,7 +3,7 @@
  * Plugin Name: WP Review
  * Plugin URI: http://mythemeshop.com/plugins/wp-review/
  * Description: Create reviews! Choose from stars, percentages or points for review scores. Supports Retina Display, WPMU and Unlimited Color Schemes.
- * Version: 5.3.1
+ * Version: 5.3.2
  * Author: MyThemeShop
  * Author URI: http://mythemeshop.com/
  * Text Domain: wp-review
@@ -46,7 +46,7 @@ function wp_review_php_upgrade_notice() {
 }
 
 /* Plugin version */
-define( 'WP_REVIEW_PLUGIN_VERSION', '5.3.1' );
+define( 'WP_REVIEW_PLUGIN_VERSION', '5.3.2' );
 
 /* Sets the custom db table name. */
 define( 'MTS_WP_REVIEW_DB_TABLE', 'mts_wp_reviews' );