diff --git a/readme.txt b/readme.txt
index e12319f..d33823b 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Donate link: https://www.wpovernight.com/
 Tags: woocommerce, affiliate, external product, link, new tab, external/affiliate
 Requires at least: 3.5
 Tested up to: 5.4
-Stable tag: 1.5.7
+Stable tag: 1.5.8
 Requires PHP: 5.3
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
@@ -40,6 +40,9 @@ If you are having any issues with this plugin, please feel free to report any th
 
 == Changelog ==
 
+= 1.5.8 (2020-06-02)=
+* Fix: missing function breaking site
+
 = 1.5.7 (2020-06-02) =
 * Tweak: Backend assets versioning
 * Tested up to WooCommerce 4.2
diff --git a/wc-improved-external-products.php b/wc-improved-external-products.php
index 1be4080..c5f2774 100644
--- a/wc-improved-external-products.php
+++ b/wc-improved-external-products.php
@@ -3,7 +3,7 @@
  * Plugin Name: WooCommerce Improved External Products
  * Plugin URI: https://wpovernight.com/
  * Description: Opens External/Affiliate products in a new tab.
- * Version: 1.5.7
+ * Version: 1.5.8
  * Author: Ewout Fernhout
  * Author URI: http://www.wpovernight.com
  * License: GPLv2 or later
@@ -14,7 +14,7 @@
 
 class ImprovedExternalProducts {
 	
-	protected $plugin_version = '1.5.7';
+	protected $plugin_version = '1.5.8';
 
 	/**
 	 * Construct.
@@ -51,7 +51,7 @@ private function define( $name, $value ) {
 			define( $name, $value );
 		}
 	}
-	
+
 	/**
 	 * Redirect: Make It So
 	 *