diff --git a/CHANGELOG.md b/CHANGELOG.md
index e587f4eed..1b80e413d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,3 +4,4 @@
   - Add support for aligned crop in search result (#543)
   - Sanitize the content displayed in the web interface (#539)
   - Add support of nested null, boolean and seq values (#571 and #568, #574)
+  - Fixed the core benchmark (#576)
diff --git a/datasets/movies/settings.json b/datasets/movies/settings.json
index 24007f838..53071c7f5 100644
--- a/datasets/movies/settings.json
+++ b/datasets/movies/settings.json
@@ -1,5 +1,4 @@
 {
-    "primaryKey": "id",
     "searchableAttributes": ["title", "overview"],
     "displayedAttributes": [
         "id",
diff --git a/meilisearch-core/benches/search_benchmark.rs b/meilisearch-core/benches/search_benchmark.rs
index 568442ea0..b81101f47 100644
--- a/meilisearch-core/benches/search_benchmark.rs
+++ b/meilisearch-core/benches/search_benchmark.rs
@@ -4,11 +4,13 @@ extern crate assert_matches;
 
 use std::sync::mpsc;
 use std::path::Path;
-use std::fs;
+use std::{fs, fs::File, io::BufReader};
 use std::iter;
 
 use meilisearch_core::Database;
 use meilisearch_core::{ProcessedUpdateResult, UpdateStatus};
+use meilisearch_core::settings::{Settings, SettingsUpdate, UpdateState};
+use meilisearch_schema::Schema;
 use serde_json::Value;
 
 use criterion::{criterion_group, criterion_main, Criterion, BenchmarkId};
@@ -24,15 +26,22 @@ fn prepare_database(path: &Path) -> Database {
     let index = database.create_index("bench").unwrap();
 
     database.set_update_callback(Box::new(update_fn));
+    
+    let mut writer = db.main_write_txn().unwrap();
+    index.main.put_schema(&mut writer, &Schema::with_primary_key("id")).unwrap();
+    writer.commit().unwrap();
 
-    let schema = {
-        let path = concat!(env!("CARGO_MANIFEST_DIR"), "/../datasets/movies/schema.toml");
-        let string = fs::read_to_string(path).expect("find schema");
-        toml::from_str(&string).unwrap()
+    let settings_update: SettingsUpdate = {
+        let path = concat!(env!("CARGO_MANIFEST_DIR"), "/../datasets/movies/settings.json");
+        let file = File::open(path).unwrap();
+        let reader = BufReader::new(file);
+        let settings: Settings = serde_json::from_reader(reader).unwrap();
+        settings.into_update().unwrap()
     };
 
     let mut update_writer = db.update_write_txn().unwrap();
-    let _update_id = index.schema_update(&mut update_writer, schema).unwrap();
+    let _update_id = index.settings_update(&mut update_writer, settings_update).unwrap();
+
     update_writer.commit().unwrap();
 
     let mut additions = index.documents_addition();