diff --git a/database/video_database.py b/database/video_database.py
index 65f9f99d..de19ceba 100644
--- a/database/video_database.py
+++ b/database/video_database.py
@@ -302,6 +302,9 @@ class VideoDatabase:
         "ON video_wishlist(source_id) WHERE kind = 'video'",
         "CREATE INDEX IF NOT EXISTS idx_video_wishlist_channel "
         "ON video_wishlist(parent_source_id) WHERE kind = 'video'",
+        # Index on movies.tmdb_collection_id — a migration-added column, so it must be
+        # created AFTER _ensure_columns (the schema executescript runs before the ALTERs).
+        "CREATE INDEX IF NOT EXISTS idx_movies_collection ON movies(tmdb_collection_id)",
     )
 
     @classmethod
diff --git a/database/video_schema.sql b/database/video_schema.sql
index ef6c9c03..d09a8a83 100644
--- a/database/video_schema.sql
+++ b/database/video_schema.sql
@@ -98,8 +98,9 @@ CREATE TABLE IF NOT EXISTS movies (
     updated_at           TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP
 );
 CREATE INDEX IF NOT EXISTS idx_movies_tmdb       ON movies(tmdb_id);
-CREATE INDEX IF NOT EXISTS idx_movies_collection ON movies(tmdb_collection_id);
 CREATE INDEX IF NOT EXISTS idx_movies_monitored  ON movies(monitored, has_file);
+-- NOTE: idx on tmdb_collection_id (a migration-added column) lives in _POST_INDEXES,
+-- not here — this schema runs BEFORE the ALTER that adds the column on upgraded DBs.
 CREATE INDEX IF NOT EXISTS idx_movies_release    ON movies(release_date);
 -- Upsert/stale-removal key: the server's native id. Multiple NULLs are allowed
 -- (wishlist items not yet on a server), so this never blocks non-server rows.