diff --git a/Cargo.toml b/Cargo.toml
index 9b38217..0142cbd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-clap = { version = "4.5.4", features = ["derive", "string"] }
+clap = { version = "4.5.4", features = ["derive"] }
 dashmap = { version = "5.5.3", features = ["serde"] }
 futures = "0.3.30"
 indicatif = "0.17.8"
diff --git a/src/main.rs b/src/main.rs
index d1178cc..b5a36d3 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,6 +2,7 @@ use std::cell::RefCell;
 use std::collections::{BTreeMap, HashMap, VecDeque};
 use std::env::current_dir;
 use std::fmt::Write;
+use std::fs::read_to_string;
 use std::io;
 use std::path::PathBuf;
 use std::rc::{Rc, Weak};
@@ -21,13 +22,11 @@ use tracing::Instrument;
 #[derive(Parser, Debug)]
 #[command(version, about, long_about = None)]
 struct Args {
-    #[arg(short, long, default_value =
-        current_dir().unwrap().into_os_string())]
+    #[arg(short, long, default_value_os_t = current_dir().unwrap())]
     directory: PathBuf,
-    #[arg(short, long, default_value = "16")]
+    #[arg(short, long, default_value_t = 16)]
     jobs: usize,
-    #[arg(short = 'f', long, default_value =
-        current_dir().unwrap().join("keywords.txt").into_os_string())]
+    #[arg(short = 'f', long, default_value_os_t = current_dir().unwrap().join("keywords.txt"))]
     keywords_file: PathBuf,
     #[arg(last = true)]
     keywords: Vec<String>,
@@ -35,10 +34,9 @@ struct Args {
 
 static ARGS: Lazy<Args> = Lazy::new(|| {
     let mut args = Args::parse();
-    if args.keywords_file.exists() {
-        let content =
-            std::fs::read_to_string(&args.keywords_file).expect("failed to read keywords file");
-        args.keywords.extend(content.lines().map(|s| s.to_string()));
+    if args.keywords.is_empty() && args.keywords_file.exists() {
+        let content = read_to_string(&args.keywords_file).expect("failed to read keywords file");
+        args.keywords = content.split_whitespace().map(|s| s.to_string()).collect();
     }
     args
 });