diff --git a/packages/backend/src/db/meilisearch.ts b/packages/backend/src/db/meilisearch.ts
index d7b89bfc0c..bd0514be01 100644
--- a/packages/backend/src/db/meilisearch.ts
+++ b/packages/backend/src/db/meilisearch.ts
@@ -138,7 +138,9 @@ export default hasConfig ? {
 
 		logger.info("Indexing notes in MeiliSearch: " + indexingIDs.join(","));
 
-		return posts.addDocuments(indexingBatch);
+		return posts.addDocuments(indexingBatch, {
+			primaryKey: "id"
+		});
 	},
 	serverStats: async () => {
 		let health : Health = await client.health();