diff --git a/migrations/20231005195154_users.sql b/migrations/20231005195154_users.sql
index 7ead826c..6c825469 100644
--- a/migrations/20231005195154_users.sql
+++ b/migrations/20231005195154_users.sql
@@ -6,7 +6,7 @@ CREATE TABLE IF NOT EXISTS users (
   category integer not null default 0,
   last_trade_index integer not null default 0,
   total_reviews integer not null default 0,
-  total_rating float not null default 0,
+  total_rating real not null default 0.0,
   last_rating integer not null default 0,
   max_rating integer not null default 0,
   min_rating integer not null default 0,
diff --git a/sqlx-data.json b/sqlx-data.json
index ab16f536..02ed93f7 100644
--- a/sqlx-data.json
+++ b/sqlx-data.json
@@ -69,5 +69,15 @@
       }
     },
     "query": "\n            UPDATE orders\n            SET\n            seller_pubkey = ?1\n            WHERE id = ?2\n        "
+  },
+  "fb8c9a8f42f6fc3c70e734db9db4af88c9602143afdbfcf57562f3fecb80b3a7": {
+    "describe": {
+      "columns": [],
+      "nullable": [],
+      "parameters": {
+        "Right": 2
+      }
+    },
+    "query": "\n            UPDATE users SET last_trade_index = ?1 WHERE pubkey = ?2\n        "
   }
 }
\ No newline at end of file
diff --git a/src/app.rs b/src/app.rs
index 9cf7549c..94ff6e49 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -80,8 +80,12 @@ async fn check_trade_index(pool: &Pool<Sqlite>, event: &UnwrappedGift, msg: &Mes
                             .verify_signature(event.rumor.pubkey, sig)
                     {
                         user.last_trade_index = index;
-                        if let Err(e) =
-                            update_user_trade_index(pool, user.pubkey, user.last_trade_index).await
+                        if let Err(e) = update_user_trade_index(
+                            pool,
+                            event.sender.to_string(),
+                            user.last_trade_index,
+                        )
+                        .await
                         {
                             tracing::error!("Error updating user trade index: {}", e);
                         }
diff --git a/src/db.rs b/src/db.rs
index cd4ef0f5..0945d8d1 100644
--- a/src/db.rs
+++ b/src/db.rs
@@ -341,7 +341,7 @@ pub async fn add_new_user(
         r#"
             INSERT INTO users (pubkey, last_trade_index, created_at) 
             VALUES (?1, ?2, ?3)
-            RETURNING *
+            RETURNING pubkey
         "#,
     )
     .bind(public_key)
@@ -357,7 +357,7 @@ pub async fn update_user_trade_index(
     pool: &SqlitePool,
     public_key: String,
     trade_index: i64,
-) -> anyhow::Result<User> {
+) -> anyhow::Result<bool> {
     // Validate public key format (32-bytes hex)
     if !public_key.chars().all(|c| c.is_ascii_hexdigit()) || public_key.len() != 64 {
         return Err(anyhow::anyhow!("Invalid public key format"));
@@ -366,24 +366,21 @@ pub async fn update_user_trade_index(
     if trade_index < 0 {
         return Err(anyhow::anyhow!("Invalid trade_index: must be non-negative"));
     }
-    if let Ok(user) = sqlx::query_as::<_, User>(
+
+    let mut conn = pool.acquire().await?;
+
+    let rows_affected = sqlx::query!(
         r#"
-            UPDATE users SET trade_index = ?1 WHERE pubkey = ?2
-            RETURNING *
+            UPDATE users SET last_trade_index = ?1 WHERE pubkey = ?2
         "#,
+        trade_index,
+        public_key,
     )
-    .bind(trade_index)
-    .bind(public_key.clone())
-    .fetch_one(pool)
-    .await
-    {
-        Ok(user)
-    } else {
-        Err(anyhow::anyhow!(
-            "No user found with public key: {}",
-            public_key
-        ))
-    }
+    .execute(&mut conn)
+    .await?
+    .rows_affected();
+
+    Ok(rows_affected > 0)
 }
 
 pub async fn update_user_rating(