diff --git a/src/sheet_dao.rs b/src/sheet_dao.rs
index 7162023..a771cd3 100644
--- a/src/sheet_dao.rs
+++ b/src/sheet_dao.rs
@@ -2,7 +2,6 @@ use crate::{
     database::Database,
     sheet::{I64DateTime, Pdf, Sheet, SheetKind, SheetKindDiscriminants},
 };
-use chrono::{DateTime, Utc};
 use sqlx::{sqlite::SqliteRow, Row};
 use std::path::{Path, PathBuf};
 use strum::IntoEnumIterator;
@@ -12,7 +11,7 @@ pub async fn insert_file_as_orphan(
     file: impl AsRef<Path>,
 ) -> sqlx::Result<Sheet> {
     let pdf = Pdf::try_from(file.as_ref().to_path_buf()).unwrap();
-    let last_opened = DateTime::<Utc>::default();
+    let last_opened = chrono::offset::Utc::now();
 
     let result = sqlx::query(
         "