diff --git a/tvix/nix-compat/src/store_path/mod.rs b/tvix/nix-compat/src/store_path/mod.rs
index 3638ce6e8..71b7bdcc7 100644
--- a/tvix/nix-compat/src/store_path/mod.rs
+++ b/tvix/nix-compat/src/store_path/mod.rs
@@ -183,7 +183,7 @@ impl Serialize for StorePath {
 /// Like [StorePath], but without a heap allocation for the name.
 /// Used by [StorePath] for parsing.
 ///
-#[derive(Debug, Eq, PartialEq, Clone, Copy)]
+#[derive(Debug, Eq, PartialEq, Clone, Copy, Hash)]
 pub struct StorePathRef<'a> {
     digest: [u8; DIGEST_SIZE],
     name: &'a str,