diff --git a/hitbox-tarantool/Cargo.toml b/hitbox-tarantool/Cargo.toml
index 317a9f2..c9be935 100644
--- a/hitbox-tarantool/Cargo.toml
+++ b/hitbox-tarantool/Cargo.toml
@@ -28,3 +28,4 @@ tokio = { version = "1", features = [
     "rt-multi-thread",
 ] }
 testcontainers = "0.14"
+chrono = "0.4"
diff --git a/hitbox-tarantool/src/backend.rs b/hitbox-tarantool/src/backend.rs
index 0770ca5..911ca5b 100644
--- a/hitbox-tarantool/src/backend.rs
+++ b/hitbox-tarantool/src/backend.rs
@@ -147,7 +147,10 @@ impl CacheBackend for TarantoolBackend {
                 "
                     local space_name = ...
                     box.schema.space.create(space_name, { if_not_exists = true })
-                    box.space[space_name]:create_index('primary', { if_not_exists = true })
+                    box.space[space_name]:create_index('primary', {
+                        parts = { { 1, 'string' } },
+                        if_not_exists = true,
+                    })
 
                     if not _G.__hitbox_cache_fiber then
                         _G.__hitbox_cache_fiber = require('fiber').create(function()
diff --git a/hitbox-tarantool/tests/integration_test.rs b/hitbox-tarantool/tests/integration_test.rs
index 657c79e..4ef4b5c 100644
--- a/hitbox-tarantool/tests/integration_test.rs
+++ b/hitbox-tarantool/tests/integration_test.rs
@@ -1,8 +1,10 @@
-use std::{collections::HashMap, vec};
-
-use hitbox_backend::CacheBackend;
+use async_trait::async_trait;
+use chrono::Utc;
+use hitbox_backend::{CacheBackend, CacheableResponse, CachedValue};
 use hitbox_tarantool::TarantoolBackendBuilder;
-use rusty_tarantool::tarantool::ClientConfig;
+use rusty_tarantool::tarantool::{ClientConfig, ExecWithParamaters};
+use serde::{Deserialize, Serialize};
+use std::collections::HashMap;
 use testcontainers::{clients, core::WaitFor, Image};
 
 #[derive(Debug)]
@@ -80,3 +82,60 @@ async fn test_start() {
         .unwrap();
     assert!(fiber_exists.0);
 }
+
+#[derive(Serialize, Deserialize, Clone, PartialEq, Debug)]
+struct Test {
+    a: i32,
+    b: String,
+}
+
+#[async_trait]
+impl CacheableResponse for Test {
+    type Cached = Self;
+
+    async fn into_cached(self) -> Self::Cached {
+        self
+    }
+    async fn from_cached(cached: Self::Cached) -> Self {
+        cached
+    }
+}
+
+impl Test {
+    pub fn new() -> Self {
+        Self {
+            a: 42,
+            b: "nope".to_owned(),
+        }
+    }
+}
+
+#[tokio::test]
+async fn test_set() {
+    let docker = clients::Cli::default();
+    let container = docker.run(Tarantool::default());
+    let port = container
+        .ports()
+        .map_to_host_port_ipv4(3301)
+        .unwrap()
+        .to_string();
+    let backend = TarantoolBackendBuilder::default()
+        .port(port.clone())
+        .build();
+    backend.start().await.unwrap();
+
+    let key = "test_key".to_owned();
+    let value = CachedValue::new(Test::new(), Utc::now());
+    backend.set::<Test>(key.clone(), value, None).await.unwrap();
+
+    let tarantool =
+        ClientConfig::new(format!("{}:{}", "127.0.0.1", port), "hitbox", "hitbox").build();
+
+    tarantool
+        .prepare_fn_call("box.space.hitbox_cache:get")
+        .bind_ref(&("test_key",))
+        .unwrap()
+        .execute()
+        .await
+        .unwrap();
+}