diff --git a/.discourse-compatibility b/.discourse-compatibility
new file mode 100644
index 0000000..a94d490
--- /dev/null
+++ b/.discourse-compatibility
@@ -0,0 +1 @@
+2.6.0.beta2 16873e708a3c924549e77f3fea011069358d1511
diff --git a/plugin.rb b/plugin.rb
index 0998aaf..a608d56 100644
--- a/plugin.rb
+++ b/plugin.rb
@@ -395,6 +395,7 @@ SQL
         'topic_timers.status_type': TopicTimer.types,
         'topic_users.notification_level': TopicUser.notification_levels,
         'topic_users.notifications_reason_id': TopicUser.notification_reasons,
+        'user_actions.action_type': UserAction.types,
         'user_histories.action': UserHistory.actions,
         'user_security_keys.factor_type': UserSecurityKey.factor_types,
         'users.trust_level': TrustLevel.levels,