diff --git a/src/args.rs b/src/args.rs
index c3e6b9f..0db9737 100644
--- a/src/args.rs
+++ b/src/args.rs
@@ -3,6 +3,7 @@ use log::LevelFilter;
 use std::{
     ffi::OsString,
     path::{PathBuf, MAIN_SEPARATOR},
+    time::Duration,
 };
 
 use crate::config::{Config, ConfigBuilder};
@@ -205,11 +206,11 @@ where
     builder.ignores(ignores);
 
     if args.occurrences_of("poll") > 0 {
-        builder.poll_interval(value_t!(args.value_of("poll"), u32).unwrap_or_else(|e| e.exit()));
+        builder.poll_interval(Duration::from_millis(value_t!(args.value_of("poll"), u64).unwrap_or_else(|e| e.exit())));
     }
 
     if args.occurrences_of("debounce") > 0 {
-        builder.debounce(value_t!(args.value_of("debounce"), u64).unwrap_or_else(|e| e.exit()));
+        builder.debounce(Duration::from_millis(value_t!(args.value_of("debounce"), u64).unwrap_or_else(|e| e.exit())));
     }
 
     builder.on_busy_update(if args.is_present("restart") {
diff --git a/src/config.rs b/src/config.rs
index 20d8241..dcbeea6 100644
--- a/src/config.rs
+++ b/src/config.rs
@@ -13,7 +13,7 @@
 //!     .expect("mission failed");
 //! ```
 
-use std::path::PathBuf;
+use std::{time::Duration, path::PathBuf};
 
 use crate::process::Shell;
 use crate::run::OnBusyUpdate;
@@ -43,9 +43,9 @@ pub struct Config {
     /// Specify what to do when receiving updates while the command is running.
     #[builder(default)]
     pub on_busy_update: OnBusyUpdate,
-    /// Interval to debounce the changes. (milliseconds)
-    #[builder(default = "500")]
-    pub debounce: u64,
+    /// Interval to debounce the changes.
+    #[builder(default = "Duration::from_millis(500)")]
+    pub debounce: Duration,
     /// Run the commands right after starting.
     #[builder(default = "true")]
     pub run_initially: bool,
@@ -72,9 +72,9 @@ pub struct Config {
     /// Force using the polling backend.
     #[builder(default)]
     pub poll: bool,
-    /// Interval for polling. (milliseconds)
-    #[builder(default = "1000")]
-    pub poll_interval: u32,
+    /// Interval for polling.
+    #[builder(default = "Duration::from_secs(1)")]
+    pub poll_interval: Duration,
 }
 
 impl ConfigBuilder {
diff --git a/src/run.rs b/src/run.rs
index 849e2e5..e7f4413 100644
--- a/src/run.rs
+++ b/src/run.rs
@@ -131,7 +131,7 @@ where
     })?;
 
     if watcher.is_polling() {
-        warn!("Polling for changes every {} ms", args.poll_interval);
+        warn!("Polling for changes every {:?} ms", args.poll_interval);
     }
 
     // Call handler initially, if necessary
@@ -278,7 +278,7 @@ pub fn run(args: Config) -> Result<()> {
 fn wait_fs(
     rx: &Receiver<Event>,
     filter: &NotificationFilter,
-    debounce: u64,
+    debounce: Duration,
     no_meta: bool,
 ) -> Vec<PathOp> {
     let mut paths = Vec::new();
@@ -310,8 +310,7 @@ fn wait_fs(
     }
 
     // Wait for filesystem activity to cool off
-    let timeout = Duration::from_millis(debounce);
-    while let Ok(e) = rx.recv_timeout(timeout) {
+    while let Ok(e) = rx.recv_timeout(debounce) {
         if let Some(ref path) = e.path {
             let pathop = PathOp::new(path, e.op.ok(), e.cookie);
             if cache.contains_key(&pathop) {
diff --git a/src/watcher.rs b/src/watcher.rs
index 9899291..bc4ca03 100644
--- a/src/watcher.rs
+++ b/src/watcher.rs
@@ -1,4 +1,6 @@
 use notify::{raw_watcher, PollWatcher, RecommendedWatcher, RecursiveMode};
+use std::convert::TryFrom;
+use std::time::Duration;
 use std::path::PathBuf;
 use std::sync::mpsc::Sender;
 
@@ -25,12 +27,12 @@ impl Watcher {
         tx: Sender<Event>,
         paths: &[PathBuf],
         poll: bool,
-        interval_ms: u32,
+        interval: Duration,
     ) -> Result<Self, Error> {
         use notify::Watcher;
 
         let imp = if poll {
-            let mut watcher = PollWatcher::with_delay_ms(tx, interval_ms)?;
+            let mut watcher = PollWatcher::with_delay_ms(tx, u32::try_from(interval.as_millis()).unwrap_or(u32::MAX))?;
             for path in paths {
                 watcher.watch(path, RecursiveMode::Recursive)?;
                 debug!("Watching {:?}", path);