diff --git a/Cargo.toml b/Cargo.toml
index b634ba2..5f63dc0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,4 +18,5 @@ librqbit = {version = "8.1.0", features = ["disable-upload"]}
 serde = { version = "1.0", features = ["derive"] }
 serde_json = "1.0"
 tokio = { version = "1.45", features = ["full"] }
+tracing-subscriber = "0.3"
 url = "2.5.4"
diff --git a/README.md b/README.md
index 8fbca86..be23ffd 100644
--- a/README.md
+++ b/README.md
@@ -47,7 +47,7 @@ aquatic-crawler --infohash-file   /path/to/info-hash-ipv4.json\
 -d, --debug <DEBUG>
         Debug level
 
-        * `e` - error * `i` - info
+        * `e` - error * `i` - info * `t` - trace (e.g. to run with `RUST_LOG=librqbit=trace`)
 
         [default: ei]
 
diff --git a/src/argument.rs b/src/argument.rs
index 24fbc57..9cfe13a 100644
--- a/src/argument.rs
+++ b/src/argument.rs
@@ -7,6 +7,7 @@ pub struct Argument {
     ///
     /// * `e` - error
     /// * `i` - info
+    /// * `t` - trace (e.g. to run with `RUST_LOG=librqbit=trace`)
     #[arg(short, long, default_value_t = String::from("ei"))]
     pub debug: String,
 
diff --git a/src/main.rs b/src/main.rs
index 1873f23..9a60e2b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -15,6 +15,10 @@ async fn main() -> anyhow::Result<()> {
     let is_debug_i = argument.debug.contains("i");
     let is_debug_e = argument.debug.contains("e");
 
+    if argument.debug.contains("t") {
+        tracing_subscriber::fmt::init()
+    }
+
     // init shared members
     let torrent_storage = if let Some(t) = argument.storage {
         let s = database::torrent::Storage::init(&t, argument.clear)?;
@@ -49,10 +53,10 @@ async fn main() -> anyhow::Result<()> {
         let session = librqbit::Session::new_with_opts(
             std::path::PathBuf::new(),
             SessionOptions {
-                persistence: None,
                 disable_dht: !argument.enable_dht,
                 disable_upload: !argument.enable_upload,
                 enable_upnp_port_forwarding: argument.enable_upnp_port_forwarding,
+                persistence: None,
                 socks_proxy_url: argument.socks_proxy_url.clone(),
                 trackers: trackers.clone(),
                 ..SessionOptions::default()