diff --git a/cmd/dbdiff/main.go b/cmd/dbdiff/main.go
index 759522d..db3d868 100644
--- a/cmd/dbdiff/main.go
+++ b/cmd/dbdiff/main.go
@@ -42,7 +42,7 @@
 				if err := json.Unmarshal(content, &index); err != nil {
 					return fmt.Errorf("unable to parse %q: %s", fpath, err)
 				}
-			} else if path == filepath.Join(dbPath, "byID") {
+			} else if path == filepath.Join(dbPath, "ID") {
 				var entry osv.Entry
 				if err := json.Unmarshal(content, &entry); err != nil {
 					return fmt.Errorf("unable to parse %q: %s", fpath, err)