diff --git a/src/main.rs b/src/main.rs
index bc4a85d..3d5e8b0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -183,8 +183,9 @@ Send files to the graveyard (/tmp/.graveyard) instead of unlinking them.")
                         // Print the first few top-level files in the directory
                         for entry in WalkDir::new(source)
                             .min_depth(1).max_depth(1).into_iter()
+                            .filter_map(|entry| entry.ok())
                             .take(FILES_TO_INSPECT) {
-                                println!("{}", entry.unwrap().path().display());
+                                println!("{}", entry.path().display());
                             }
                     } else {
                         println!("{}: file, {}", target,
diff --git a/src/util.rs b/src/util.rs
index c9692c1..aa402d6 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -35,7 +35,10 @@ fn humanize_bytes(bytes: u64) -> String {
     let pair = values.iter()
         .enumerate()
         .take_while(|x| bytes as usize / (1000 as usize).pow(x.0 as u32) > 10)
-        .last()
-        .unwrap();
-    format!("{} {}", bytes as usize / (1000 as usize).pow(pair.0 as u32), pair.1)
+        .last();
+    if let Some(p) = pair {
+        format!("{} {}", bytes as usize / (1000 as usize).pow(p.0 as u32), p.1)
+    } else {
+        format!("{} {}", bytes, values[0])
+    }
 }