diff --git a/pttodoer/src/main.rs b/pttodoer/src/main.rs
index a5ae6be..3186372 100644
--- a/pttodoer/src/main.rs
+++ b/pttodoer/src/main.rs
@@ -160,7 +160,17 @@ impl DB {
             .filter(|tasks_and_metadata| tasks_and_metadata.file.ends_with(format!("/{}", base).as_str()))
             .nth(0) {
             Some(set) => set.clone(),
-            None => TasksAndMetadata::new_with(base, TS::now(), Tasks::new()),
+            None => TasksAndMetadata::new_with(
+               format!("{}/{}",
+                  std::path::Path::new(self.0[0].file.as_str())
+                     .parent().expect("root?")
+                     .display()
+                     .to_string(),
+                  base,
+               ),
+               TS::now(),
+               Tasks::new(),
+            ),
          };
 
          let edited = TasksAndMetadata::new(f.display().to_string()).expect("failed to read edited tasks");