diff --git a/include/upgrader/streams/core.sig b/include/upgrader/streams/core.sig
index 882f4a25247117dd27b27f868e35279e75f29e89..4fecf9e0832d67cadca7a05979a2e1f7fe464853 100644
--- a/include/upgrader/streams/core.sig
+++ b/include/upgrader/streams/core.sig
@@ -1 +1 @@
-1b0fce992f6c7ed37a9b2914f86775d4
+ed60ba203a473f4f32ac49eb45db16c7
diff --git a/include/upgrader/streams/core/collaboration.patch.sql b/include/upgrader/streams/core/1b0fce99-ed60ba20.patch.sql
similarity index 67%
rename from include/upgrader/streams/core/collaboration.patch.sql
rename to include/upgrader/streams/core/1b0fce99-ed60ba20.patch.sql
index 4f6adf91d8e1ca1ae2ce502e1ac317a1fda219f2..3e6bea555155b9187423994612e4aec39244487b 100644
--- a/include/upgrader/streams/core/collaboration.patch.sql
+++ b/include/upgrader/streams/core/1b0fce99-ed60ba20.patch.sql
@@ -1,6 +1,7 @@
 /**
- * @version v1.8.1 Collaboration (CC/BCC support)
- * @signature f353145f8f4f48ea7f0d8e87083bb57c
+ * @version v1.8 - Collaboration
+ * @signature ed60ba203a473f4f32ac49eb45db16c7
+ * @title Add support for ticket collaborators
  *
  * Adds the database structure for collaboration table
  *
@@ -12,7 +13,8 @@ CREATE TABLE `%TABLE_PREFIX%ticket_collaborator` (
   `isactive` tinyint(1) unsigned NOT NULL DEFAULT '1',
   `ticket_id` int(11) unsigned NOT NULL DEFAULT '0',
   `user_id` int(11) unsigned NOT NULL DEFAULT '0',
-  `role` char(1) NOT NULL DEFAULT 'E',
+  -- M => (message) clients, N => (note) 3rd-Party, R => (reply) external authority
+  `role` char(1) NOT NULL DEFAULT 'M',
   `updated` datetime NOT NULL,
   PRIMARY KEY (`id`),
   UNIQUE KEY `collab` (`ticket_id`,`user_id`)
@@ -21,5 +23,5 @@ CREATE TABLE `%TABLE_PREFIX%ticket_collaborator` (
 
 --  Finish
 UPDATE `%TABLE_PREFIX%config`
-    SET `value` = 'f353145f8f4f48ea7f0d8e87083bb57c'
+    SET `value` = 'ed60ba203a473f4f32ac49eb45db16c7'
         WHERE `key` = 'schema_signature' AND `namespace` = 'core';
diff --git a/setup/inc/streams/core/install-mysql.sql b/setup/inc/streams/core/install-mysql.sql
index ce6030b8b2134a5a57a3107e8ddfed9784385b6a..060c3114885d0923651aa8569165d4cabe3790d3 100644
--- a/setup/inc/streams/core/install-mysql.sql
+++ b/setup/inc/streams/core/install-mysql.sql
@@ -627,7 +627,8 @@ CREATE TABLE `%TABLE_PREFIX%ticket_collaborator` (
   `isactive` tinyint(1) unsigned NOT NULL DEFAULT '1',
   `ticket_id` int(11) unsigned NOT NULL DEFAULT '0',
   `user_id` int(11) unsigned NOT NULL DEFAULT '0',
-  `role` char(1) NOT NULL DEFAULT 'E',
+  -- M => (message) clients, N => (note) 3rd-Party, R => (reply) external authority
+  `role` char(1) NOT NULL DEFAULT 'M',
   `updated` datetime NOT NULL,
   PRIMARY KEY (`id`),
   UNIQUE KEY `collab` (`ticket_id`,`user_id`)