diff --git a/2022/day-01/Justfile b/2022/day-01/Justfile
index 9a6dea4..b74dd84 100644
--- a/2022/day-01/Justfile
+++ b/2022/day-01/Justfile
@@ -1,5 +1,5 @@
 @part PART INPUT_FILE="inputs/puzzle.txt":
-    cargo run --bin part{{PART}} -- {{INPUT_FILE}}
+    cargo run --bin part_{{PART}} -- {{INPUT_FILE}}
 
 clean:
     cargo clean
diff --git a/2022/day-01/src/bin/part1.rs b/2022/day-01/src/bin/part_one.rs
similarity index 72%
rename from 2022/day-01/src/bin/part1.rs
rename to 2022/day-01/src/bin/part_one.rs
index 7a3eaa8..4133b66 100644
--- a/2022/day-01/src/bin/part1.rs
+++ b/2022/day-01/src/bin/part_one.rs
@@ -4,8 +4,9 @@ fn main() -> io::Result<()> {
     let infile_path = env::args().nth(1).expect("input file");
     let sums = aoc_2022_01::input_sums(infile_path)?;
 
-    let max = sums.max().unwrap();
-    println!("{max}");
+    if let Some(max) = sums.max() {
+        println!("{max}");
+    }
 
     Ok(())
 }
diff --git a/2022/day-01/src/bin/part2.rs b/2022/day-01/src/bin/part_two.rs
similarity index 85%
rename from 2022/day-01/src/bin/part2.rs
rename to 2022/day-01/src/bin/part_two.rs
index 47a33f2..066c52e 100644
--- a/2022/day-01/src/bin/part2.rs
+++ b/2022/day-01/src/bin/part_two.rs
@@ -4,7 +4,8 @@ fn main() -> io::Result<()> {
     let infile_path = env::args().nth(1).expect("input file");
     let mut sums = aoc_2022_01::input_sums(infile_path)?.collect::<Vec<_>>();
 
-    sums.sort_by(|a, b| b.partial_cmp(a).unwrap());
+    sums.sort_by(|a, b| b.cmp(a));
+
     let three_highest_sum: &u32 = &sums[..3].iter().sum();
     println!("{three_highest_sum}");