diff --git a/src/main.rs b/src/main.rs
index 14f4ab9..45ad7bb 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -537,14 +537,9 @@ fn fmt_ms(ms: i64) -> String {
     }
 }
 
-// Strip /nix/store/<32-char-hash>- prefix to get the human-readable package name.
+// Strip /nix/store/ prefix, keep the hash and package name.
 fn drv_name(path: &str) -> &str {
-    let s = path.strip_prefix("/nix/store/").unwrap_or(path);
-    if s.len() > 33 && s.as_bytes()[32] == b'-' && s[..32].chars().all(|c| c.is_ascii_alphanumeric()) {
-        &s[33..]
-    } else {
-        s
-    }
+    path.strip_prefix("/nix/store/").unwrap_or(path)
 }
 
 fn display_stats(stats: Stats) {