diff --git a/sql/mysql/install/structure.sql b/sql/mysql/install/structure.sql
index 444836d..5485cee 100644
--- a/sql/mysql/install/structure.sql
+++ b/sql/mysql/install/structure.sql
@@ -60,6 +60,7 @@ CREATE TABLE `active_sessions` (
   `session_id` varchar(32) default NULL,
   `lastused` datetime default NULL,
   `ip` varchar(15) default NULL,
+  `apptype` varchar(15) default 'webapp' NOT NULL,
   PRIMARY KEY  (`id`),
   KEY `user_id` (`user_id`),
   KEY `session_id` (`session_id`),
diff --git a/sql/mysql/upgrade/3.5.3/active_session_apptype.sql b/sql/mysql/upgrade/3.5.3/active_session_apptype.sql
new file mode 100644
index 0000000..0aca0e2
--- /dev/null
+++ b/sql/mysql/upgrade/3.5.3/active_session_apptype.sql
@@ -0,0 +1 @@
+alter table active_sessions add apptype varchar(15) default 'webapp' NOT NULL;
\ No newline at end of file