diff --git a/backend/src/pluginUtils.ts b/backend/src/pluginUtils.ts
index 309914f1..8e0cfaf6 100644
--- a/backend/src/pluginUtils.ts
+++ b/backend/src/pluginUtils.ts
@@ -62,6 +62,8 @@ const PluginOverrideCriteriaType: t.Type<PluginOverrideCriteria<unknown>> = t.re
 const validTopLevelOverrideKeys = [
   "channel",
   "category",
+  "thread",
+  "is_thread",
   "level",
   "user",
   "role",