diff --git a/backend/src/core/database.py b/backend/src/core/database.py
index af4b12b2..2a6586d0 100644
--- a/backend/src/core/database.py
+++ b/backend/src/core/database.py
@@ -389,7 +389,8 @@ def _ensure_roles_is_admin_column(bind_engine):
         try:
             with bind_engine.begin() as connection:
                 connection.execute(text(alter))
-            logger.reason("Added roles.is_admin column", extra={"statement": alter})
+                connection.execute(text("UPDATE roles SET is_admin = true WHERE name = 'Admin'"))
+            logger.reason("Added roles.is_admin column, updated Admin roles", extra={"statement": alter})
         except Exception as migration_error:
             logger.explore(
                 "roles.is_admin additive migration failed",