diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 4919ca47..e3f5b5cf 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -7,6 +7,7 @@ Changelog
 - Enh #512: Surround the widget wall entry links with a dedicated HTML class
 - Enh #516: Improved calendar page URLs
 - Fix #519: Fix issue where `IntlDateFormatter::parse()` failed to parse Bulgarian dates.
+- Fix #520: Fix global calendar url when prettyUrl is disabled 
 
 1.6.4 (Unreleased)
 -----------------------
diff --git a/helpers/Url.php b/helpers/Url.php
index 86d65fcc..9f46f16a 100644
--- a/helpers/Url.php
+++ b/helpers/Url.php
@@ -98,7 +98,7 @@ public static function toCalendar(ContentContainerActiveRecord $container = null
 
     public static function toGlobalCalendar()
     {
-        return static::to(['/calendar']);
+        return static::to(['calendar/global']);
     }
 
     public static function toEditItemType(CalendarTypeIF $type, ContentContainerActiveRecord $container = null)