diff --git a/administrator/components/com_admin/script.php b/administrator/components/com_admin/script.php
index a41f8aaadf0ad..d76d1e368a5f9 100644
--- a/administrator/components/com_admin/script.php
+++ b/administrator/components/com_admin/script.php
@@ -357,7 +357,7 @@ protected function updateManifestCaches()
 			array('file', 'joomla', '', 0),
 
 			// Packages
-			// None in core at this time
+			array('package', 'pkg_en-GB', '', 0),
 		);
 
 		// Attempt to refresh manifest caches
diff --git a/administrator/components/com_admin/sql/updates/mysql/3.5.2-2016-04-08.sql b/administrator/components/com_admin/sql/updates/mysql/3.5.2-2016-04-08.sql
new file mode 100644
index 0000000000000..9b9485cfddc2c
--- /dev/null
+++ b/administrator/components/com_admin/sql/updates/mysql/3.5.2-2016-04-08.sql
@@ -0,0 +1,6 @@
+-- Insert the missing en-GB package extension.
+INSERT INTO `#__extensions` (`extension_id`, `name`, `type`, `element`, `folder`, `client_id`, `enabled`, `access`, `protected`, `manifest_cache`, `params`, `custom_data`, `system_data`, `checked_out`, `checked_out_time`, `ordering`, `state`)
+ VALUES (650, 'English (United Kingdom)', 'package', 'pkg_en-GB', '', 0, 1, 1, 1, '', '', '', '', 0, '0000-00-00 00:00:00', 0, 0);
+
+-- Change update site extension id to the new extension.
+UPDATE `#__update_sites_extensions` SET `extension_id` = 650 WHERE `update_site_id` = 3 AND `extension_id` = 600;
diff --git a/administrator/components/com_admin/sql/updates/postgresql/3.5.2-2016-04-08.sql b/administrator/components/com_admin/sql/updates/postgresql/3.5.2-2016-04-08.sql
new file mode 100644
index 0000000000000..2d412c686ff3b
--- /dev/null
+++ b/administrator/components/com_admin/sql/updates/postgresql/3.5.2-2016-04-08.sql
@@ -0,0 +1,4 @@
+INSERT INTO "#__extensions" ("extension_id", "name", "type", "element", "folder", "client_id", "enabled", "access", "protected", "manifest_cache", "params", "custom_data", "system_data", "checked_out", "checked_out_time", "ordering", "state") VALUES
+(650, 'English (United Kingdom)', 'package', 'pkg_en-GB', '', 0, 1, 1, 1, '', '', '', '', 0, '1970-01-01 00:00:00', 0, 0);
+
+UPDATE "#__update_sites_extensions" SET "extension_id" = 650 WHERE "update_site_id" = 3 AND "extension_id" = 600;
diff --git a/administrator/components/com_admin/sql/updates/sqlazure/3.5.2-2016-04-08.sql b/administrator/components/com_admin/sql/updates/sqlazure/3.5.2-2016-04-08.sql
new file mode 100644
index 0000000000000..5f06565951c1e
--- /dev/null
+++ b/administrator/components/com_admin/sql/updates/sqlazure/3.5.2-2016-04-08.sql
@@ -0,0 +1,8 @@
+SET IDENTITY_INSERT [#__extensions]  ON;
+
+INSERT [#__extensions] ([extension_id], [name], [type], [element], [folder], [client_id], [enabled], [access], [protected], [manifest_cache], [params], [custom_data], [system_data], [checked_out], [checked_out_time], [ordering], [state])
+SELECT 650, 'English (United Kingdom)', 'package', 'pkg_en-GB', '', 0, 1, 1, 1, '', '', '', '', 0, '1900-01-01 00:00:00', 0, 0;
+
+SET IDENTITY_INSERT [#__extensions]  OFF;
+
+UPDATE [#__update_sites_extensions] SET [extension_id] = 650 WHERE [update_site_id] = 8 AND [extension_id] = 600;
diff --git a/administrator/components/com_installer/models/languages.php b/administrator/components/com_installer/models/languages.php
index b0b4294f637bd..be503959f5349 100644
--- a/administrator/components/com_installer/models/languages.php
+++ b/administrator/components/com_installer/models/languages.php
@@ -51,13 +51,11 @@ public function __construct($config = array())
 		// Get the extension_id of the en-GB package.
 		$db        = $this->getDbo();
 		$extQuery  = $db->getQuery(true);
-		$extType   = 'language';
-		$extElem   = 'en-GB';
 
 		$extQuery->select($db->quoteName('extension_id'))
 			->from($db->quoteName('#__extensions'))
-			->where($db->quoteName('type') . ' = ' . $db->quote($extType))
-			->where($db->quoteName('element') . ' = ' . $db->quote($extElem))
+			->where($db->quoteName('type') . ' = ' . $db->quote('package'))
+			->where($db->quoteName('element') . ' = ' . $db->quote('pkg_en-GB'))
 			->where($db->quoteName('client_id') . ' = 0');
 
 		$db->setQuery($extQuery);
diff --git a/administrator/manifests/packages/pkg_en-GB.xml b/administrator/manifests/packages/pkg_en-GB.xml
index c0baf0de19ead..7ab6fe6335136 100644
--- a/administrator/manifests/packages/pkg_en-GB.xml
+++ b/administrator/manifests/packages/pkg_en-GB.xml
@@ -2,7 +2,7 @@
 <extension type="package" version="3.5" method="upgrade">
 	<name>English (en-GB) Language Pack</name>
 	<packagename>en-GB</packagename>
-	<version>3.5.0.1</version>
+	<version>3.5.2.1</version>
 	<creationDate>2013-03-07</creationDate>
 	<author>Joomla! Project</author>
 	<authorEmail>admin@joomla.org</authorEmail>
diff --git a/installation/model/languages.php b/installation/model/languages.php
index c9e878741fcf6..db3482ea37398 100644
--- a/installation/model/languages.php
+++ b/installation/model/languages.php
@@ -84,8 +84,8 @@ public function getItems()
 
 		$extQuery->select($db->qn('extension_id'))
 			->from($db->qn('#__extensions'))
-			->where($db->qn('type') . ' = ' . $db->q('language'))
-			->where($db->qn('element') . ' = ' . $db->q('en-GB'))
+			->where($db->qn('type') . ' = ' . $db->q('package'))
+			->where($db->qn('element') . ' = ' . $db->q('pkg_en-GB'))
 			->where($db->qn('client_id') . ' = 0');
 
 		$db->setQuery($extQuery);
diff --git a/installation/sql/mysql/joomla.sql b/installation/sql/mysql/joomla.sql
index ddbb7907a4d85..cff54546ca5b8 100644
--- a/installation/sql/mysql/joomla.sql
+++ b/installation/sql/mysql/joomla.sql
@@ -617,6 +617,7 @@ INSERT INTO `#__extensions` (`extension_id`, `name`, `type`, `element`, `folder`
 (507, 'isis', 'template', 'isis', '', 1, 1, 1, 0, '', '{"templateColor":"","logoFile":""}', '', '', 0, '0000-00-00 00:00:00', 0, 0),
 (600, 'English (United Kingdom)', 'language', 'en-GB', '', 0, 1, 1, 1, '', '', '', '', 0, '0000-00-00 00:00:00', 0, 0),
 (601, 'English (United Kingdom)', 'language', 'en-GB', '', 1, 1, 1, 1, '', '', '', '', 0, '0000-00-00 00:00:00', 0, 0),
+(650, 'English (United Kingdom)', 'package', 'pkg_en-GB', '', 0, 1, 1, 1, '', '', '', '', 0, '0000-00-00 00:00:00', 0, 0),
 (700, 'files_joomla', 'file', 'joomla', '', 0, 1, 1, 1, '', '', '', '', 0, '0000-00-00 00:00:00', 0, 0);
 
 -- --------------------------------------------------------
@@ -1808,7 +1809,7 @@ CREATE TABLE IF NOT EXISTS `#__update_sites_extensions` (
 INSERT INTO `#__update_sites_extensions` (`update_site_id`, `extension_id`) VALUES
 (1, 700),
 (2, 700),
-(3, 600),
+(3, 650),
 (4, 28);
 
 -- --------------------------------------------------------
diff --git a/installation/sql/postgresql/joomla.sql b/installation/sql/postgresql/joomla.sql
index 3949eeb1e1c2f..90acb9bf31ea7 100644
--- a/installation/sql/postgresql/joomla.sql
+++ b/installation/sql/postgresql/joomla.sql
@@ -624,6 +624,10 @@ INSERT INTO "#__extensions" ("extension_id", "name", "type", "element", "folder"
 (600, 'English (United Kingdom)', 'language', 'en-GB', '', 0, 1, 1, 1, '', '', '', '', 0, '1970-01-01 00:00:00', 0, 0),
 (601, 'English (United Kingdom)', 'language', 'en-GB', '', 1, 1, 1, 1, '', '', '', '', 0, '1970-01-01 00:00:00', 0, 0);
 
+-- Packages
+INSERT INTO "#__extensions" ("extension_id", "name", "type", "element", "folder", "client_id", "enabled", "access", "protected", "manifest_cache", "params", "custom_data", "system_data", "checked_out", "checked_out_time", "ordering", "state") VALUES
+(650, 'English (United Kingdom)', 'package', 'pkg_en-GB', '', 0, 1, 1, 1, '', '', '', '', 0, '1970-01-01 00:00:00', 0, 0);
+
 -- Files Extensions
 INSERT INTO "#__extensions" ("extension_id", "name", "type", "element", "folder", "client_id", "enabled", "access", "protected", "manifest_cache", "params", "custom_data", "system_data", "checked_out", "checked_out_time", "ordering", "state") VALUES
 (700, 'files_joomla', 'file', 'joomla', '', 0, 1, 1, 1, '', '', '', '', 0, '1970-01-01 00:00:00', 0, 0);
@@ -1732,7 +1736,7 @@ COMMENT ON TABLE "#__update_sites_extensions" IS 'Links extensions to update sit
 INSERT INTO "#__update_sites_extensions" ("update_site_id", "extension_id") VALUES
 (1, 700),
 (2, 700),
-(3, 600),
+(3, 650),
 (4, 28);
 
 --
diff --git a/installation/sql/sqlazure/joomla.sql b/installation/sql/sqlazure/joomla.sql
index aa3ecd5774730..b0b26bdd40034 100644
--- a/installation/sql/sqlazure/joomla.sql
+++ b/installation/sql/sqlazure/joomla.sql
@@ -1018,6 +1018,9 @@ SELECT 600, 'English (United Kingdom)', 'language', 'en-GB', '', 0, 1, 1, 1, '',
 UNION ALL
 SELECT 601, 'English (United Kingdom)', 'language', 'en-GB', '', 1, 1, 1, 1, '', '', '', '', 0, '1900-01-01 00:00:00', 0, 0;
 
+INSERT [#__extensions] ([extension_id], [name], [type], [element], [folder], [client_id], [enabled], [access], [protected], [manifest_cache], [params], [custom_data], [system_data], [checked_out], [checked_out_time], [ordering], [state])
+SELECT 650, 'English (United Kingdom)', 'package', 'pkg_en-GB', '', 0, 1, 1, 1, '', '', '', '', 0, '1900-01-01 00:00:00', 0, 0;
+
 INSERT [#__extensions] ([extension_id], [name], [type], [element], [folder], [client_id], [enabled], [access], [protected], [manifest_cache], [params], [custom_data], [system_data], [checked_out], [checked_out_time], [ordering], [state])
 SELECT 700, 'files_joomla', 'file', 'joomla', '', 0, 1, 1, 1, '', '', '', '', 0, '1900-01-01 00:00:00', 0, 0;
 
@@ -2739,7 +2742,7 @@ SELECT 1, 700
 UNION ALL
 SELECT 2, 700
 UNION ALL
-SELECT 3, 600
+SELECT 3, 650
 UNION ALL
 SELECT 4, 28;