diff --git a/src/task.rs b/src/task.rs
index a751ba4..2ae706f 100644
--- a/src/task.rs
+++ b/src/task.rs
@@ -87,13 +87,17 @@ impl Task {
 
     pub(crate) fn get_participants(&self) -> impl Iterator<Item=PublicKey> + '_ {
         self.tags()
-            .filter(|t| t.kind() == TagKind::SingleLetter(SingleLetterTag::lowercase(Alphabet::P)))
+            .filter(|t| t.kind() == TagKind::p())
             .filter_map(|t| t.content()
                 .and_then(|c| PublicKey::from_str(c).inspect_err(|e| warn!("Unparseable pubkey in {:?}", t)).ok()))
     }
 
-    pub(crate) fn get_owner(&self) -> PublicKey {
+    pub(crate) fn get_assignee(&self) -> Option<PublicKey> {
         self.get_participants().next()
+    }
+
+    pub(crate) fn get_owner(&self) -> PublicKey {
+        self.get_assignee()
             .unwrap_or_else(|| self.event.pubkey)
     }
 
diff --git a/src/tasks.rs b/src/tasks.rs
index 79df7de..eb9ad48 100644
--- a/src/tasks.rs
+++ b/src/tasks.rs
@@ -700,6 +700,7 @@ impl TasksRelay {
             "progress" => prog_string.clone(),
 
             "owner" => format!("{:.6}", self.users.get_username(&task.get_owner())),
+            "assignee" => format!("{:.6}", task.get_assignee().map(|u| self.users.get_username(&u)).unwrap_or_default()),
             "author" | "creator" => format!("{:.6}", self.users.get_username(&task.event.pubkey)), // FIXME temporary until proper column alignment
             "prio" => self
                 .traverse_up_from(Some(task.get_id()))
diff --git a/src/tasks/tests.rs b/src/tasks/tests.rs
index cf60989..1bbaa7d 100644
--- a/src/tasks/tests.rs
+++ b/src/tasks/tests.rs
@@ -149,16 +149,36 @@ fn test_context() {
     // s2-4 are newest while s2,s3,hp are highest prio
     assert_tasks_visible!(tasks, [s4, s2, s3, anid, id_hp]);
 
+    //let keys = Keys::generate();
+    //let builder = EventBuilder::new(Kind::from(1234), "test").tags([Tag::public_key(k//eys.public_key)]);
+    //println!("{:?}", builder);
+    //println!("{:?}", builder.sign_with_keys(&keys));
+    //env_logger::init();
+
+    // ASSIGNEE
+    assert_eq!(tasks.pubkey, Some(tasks.sender.pubkey()));
     let hoi = tasks.make_task("hoi").unwrap();
-    assert_eq!(tasks.get_by_id(&hoi).unwrap().get_owner(), tasks.sender.pubkey());
+    let hoi = tasks.get_by_id(&hoi).unwrap();
+    assert_eq!(hoi.get_owner(), tasks.sender.pubkey());
+    // https://github.com/rust-nostr/nostr/issues/736
+    //assert_eq!(hoi.get_participants().collect_vec(), vec![tasks.sender.pubkey()]);
+    //assert_eq!(hoi.get_assignee(), Some(tasks.sender.pubkey()));
+
     let pubkey = Keys::generate().public_key;
     let test1id = tasks.make_task(&("test1 @".to_string() + &pubkey.to_string())).unwrap();
     let test1 = tasks.get_by_id(&test1id).unwrap();
     assert_eq!(test1.get_owner(), pubkey);
+
     tasks.pubkey = Some(pubkey);
     let test2id = tasks.make_task("test2").unwrap();
     let test2 = tasks.get_by_id(&test2id).unwrap();
     assert_eq!(test2.get_owner(), pubkey);
+
+    tasks.pubkey = None;
+    let all = tasks.make_task("all").unwrap();
+    let all = tasks.get_by_id(&all).unwrap();
+    assert_eq!(all.get_assignee(), None);
+    assert_eq!(all.get_owner(), tasks.sender.pubkey());
 }
 
 #[test]