diff --git a/migrations/20190325001339_releases.js b/migrations/20190325001339_releases.js
index ab5d53a9..951d0128 100644
--- a/migrations/20190325001339_releases.js
+++ b/migrations/20190325001339_releases.js
@@ -999,7 +999,7 @@ exports.up = knex => Promise.resolve()
 		// allow vim fold
 		return knex.raw(`
 			CREATE UNIQUE INDEX unique_actor_slugs_network ON actors (slug, entity_id, entry_id);
-			CREATE UNIQUE INDEX unique_actor_slugs ON actors (slug, (entity_id IS NULL));
+			CREATE UNIQUE INDEX unique_actor_slugs ON actors (slug) WHERE entity_id IS NULL;
 
 			CREATE UNIQUE INDEX releases_search_unique ON releases_search (release_id);
 			CREATE INDEX releases_search_index ON releases_search USING GIN (document);
diff --git a/src/releases.js b/src/releases.js
index c6aa3540..9ecb6759 100644
--- a/src/releases.js
+++ b/src/releases.js
@@ -146,12 +146,13 @@ async function deleteScenes(sceneIds) {
 		return 0;
 	}
 
+	// there can be too many scene IDs for where in, causing a stack depth error
 	await knex('movies_scenes')
-		.whereIn('scene_id', sceneIds)
+		.whereRaw('scene_id = ANY(:sceneIds)', { sceneIds })
 		.delete();
 
 	const deleteCount = await knex('releases')
-		.whereIn('id', sceneIds)
+		.whereRaw('id = ANY(:sceneIds)', { sceneIds })
 		.delete();
 
 	logger.info(`Removed ${deleteCount}/${sceneIds.length} scenes`);