diff --git a/src/bin/browse.rs b/src/bin/browse.rs
index fd4ddde..b6f059e 100644
--- a/src/bin/browse.rs
+++ b/src/bin/browse.rs
@@ -1,6 +1,6 @@
 #![feature(internal_output_capture)]
 
-use std::{cell::RefCell, cmp, collections::{HashMap, HashSet}, env, fmt::Display, io, sync::{Arc, Mutex}};
+use std::{cell::RefCell, cmp, collections::{HashMap, HashSet}, env, fmt::Display, io, sync::Arc};
 
 use cursive::{Cursive, CursiveExt, Vec2};
 use cursive::align::HAlign;
@@ -15,12 +15,13 @@ use imap::types::Flag;
 use itertools::Itertools;
 use log::error;
 use mailparse::{MailHeaderMap, ParsedMail};
-use parking_lot::RwLock;
+use parking_lot::{Mutex, RwLock};
 use petgraph::{EdgeDirection, graph::{DiGraph, NodeIndex}, visit::{Dfs, IntoNodeReferences}};
+use rusqlite::params;
 
 fn main() -> Result<()> {
 	load_config();
-	let sink = Arc::new(Mutex::new(Vec::new()));
+	let sink = Arc::new(std::sync::Mutex::new(Vec::new()));
 	std::io::set_output_capture(Some(sink.clone()));
 	let result = std::panic::catch_unwind(|| {
 		let args = env::args().collect_vec();
@@ -42,6 +43,8 @@ fn main() -> Result<()> {
 }
 
 fn show_listing(mailbox: &str) -> Result<()> {
+	let db = Box::leak(Box::new(get_db()?));
+	let update_flags = Arc::new(Mutex::new(db.prepare("UPDATE mail SET flags = ? WHERE uid = ?")?));
 	let maildir = Box::leak(Box::new(get_maildir(mailbox)?));
 	let maildir = &*maildir;
 
@@ -224,6 +227,8 @@ fn show_listing(mailbox: &str) -> Result<()> {
 	});
 	let mut tree = tree.with_name("tree").scrollable();
 	tree.set_scroll_strategy(ScrollStrategy::StickToBottom);
+	let update_flags2 = Arc::clone(&update_flags);
+	let update_flags3 = Arc::clone(&update_flags);
 	let tree = OnEventView::new(tree)
 		.on_event('r', move |siv| {
 			siv.call_on_name("tree", |tree: &mut MailTreeView| {
@@ -231,7 +236,9 @@ fn show_listing(mailbox: &str) -> Result<()> {
 					let mail = tree.borrow_item_mut(r).unwrap();
 					mail.add_flag(Flag::Seen);
 					mail.remove_flag2('U');
+					// TODO error handling
 					let _ = mail.save_flags(&maildir);
+					let _ = update_flags2.lock().execute(params![mail.get_flags(), mail.id.to_i64()]);
 				}
 			});
 		})
@@ -241,7 +248,9 @@ fn show_listing(mailbox: &str) -> Result<()> {
 					let mail = tree.borrow_item_mut(r).unwrap();
 					mail.remove_flag(Flag::Seen);
 					mail.add_flag2('U');
+					// TODO error handling
 					let _ = mail.save_flags(&maildir);
+					let _ = update_flags3.lock().execute(params![mail.get_flags(), mail.id.to_i64()]);
 				}
 			});
 		});
diff --git a/src/bin/sync.rs b/src/bin/sync.rs
index 7888c8d..e72e69c 100644
--- a/src/bin/sync.rs
+++ b/src/bin/sync.rs
@@ -73,7 +73,7 @@ fn sync(
 	for &name in &names {
 		let mailbox = name.name();
 		let remote_mails = remote.get_mut(mailbox).unwrap();
-		let resp = imap_session.examine(mailbox)?;
+		let resp = imap_session.select(mailbox)?;
 		let uid_validity = resp.uid_validity.unwrap();
 
 		let mut to_fetch = Vec::new();
@@ -90,9 +90,11 @@ fn sync(
 				let local_u = flags.contains('U');
 				let remote_s = remote_flags.contains(&Flag::Seen);
 				if local_s && !remote_s {
+					println!("setting Seen flag on {}/{}", mailbox, uid);
 					imap_session.uid_store(uid.to_string(), "+FLAGS.SILENT (\\Seen)")?;
 					remote_flags.push(Flag::Seen);
 				} else if local_u && remote_s {
+					println!("removing Seen flag on {}/{}", mailbox, uid);
 					imap_session.uid_store(uid.to_string(), "-FLAGS.SILENT (\\Seen)")?;
 					remote_flags.remove(remote_flags.iter().position(|x| x == &Flag::Seen).unwrap());
 				}
@@ -117,6 +119,8 @@ fn sync(
 			}
 		}
 		if !to_fetch.is_empty() {
+			let resp = imap_session.examine(mailbox)?;
+			let uid_validity = resp.uid_validity.unwrap();
 			let maildir = &maildirs[mailbox];
 
 			let fetch_range = to_fetch.into_iter().map(|x| x.to_string()).join(",");