diff --git a/src/app_controller.py b/src/app_controller.py
index 87f7fc8..4b7c512 100644
--- a/src/app_controller.py
+++ b/src/app_controller.py
@@ -596,7 +596,7 @@ class AppController:
   self.files = list(self.project.get("files", {}).get("paths", []))
   self.screenshots = list(self.project.get("screenshots", {}).get("paths", []))
   disc_sec = self.project.get("discussion", {})
-  self.disc_roles = list(disc_sec.get("roles", list(models.DISC_ROLES)))
+  self.disc_roles = list(disc_sec.get("roles", ["User", "AI"]))
   self.active_discussion = disc_sec.get("active", "main")
   disc_data = disc_sec.get("discussions", {}).get(self.active_discussion, {})
   with self._disc_entries_lock:
@@ -1326,7 +1326,7 @@ class AppController:
   self.files = list(self.project.get("files", {}).get("paths", []))
   self.screenshots = list(self.project.get("screenshots", {}).get("paths", []))
   disc_sec = self.project.get("discussion", {})
-  self.disc_roles = list(disc_sec.get("roles", list(models.DISC_ROLES)))
+  self.disc_roles = list(disc_sec.get("roles", ["User", "AI"]))
   self.active_discussion = disc_sec.get("active", "main")
   disc_data = disc_sec.get("discussions", {}).get(self.active_discussion, {})
   with self._disc_entries_lock: