diff --git a/crates/application/src/services/notification_event.rs b/crates/application/src/services/notification_event.rs
index 6747f06..de1f166 100644
--- a/crates/application/src/services/notification_event.rs
+++ b/crates/application/src/services/notification_event.rs
@@ -214,4 +214,26 @@ mod tests {
         }).await.unwrap();
         assert!(store.notifications.lock().unwrap().is_empty());
     }
+
+    #[tokio::test]
+    async fn self_boost_creates_no_notification() {
+        let store = TestStore::default();
+        let alice = alice();
+        let thought = Thought::new_local(
+            ThoughtId::new(), alice.id.clone(),
+            Content::new_local("hello").unwrap(),
+            None, Visibility::Public, None, false,
+        );
+        store.thoughts.lock().unwrap().push(thought.clone());
+        let svc = NotificationEventService {
+            thoughts: Arc::new(store.clone()),
+            notifications: Arc::new(store.clone()),
+        };
+        svc.process(&DomainEvent::BoostAdded {
+            boost_id: BoostId::new(),
+            user_id: alice.id.clone(),
+            thought_id: thought.id.clone(),
+        }).await.unwrap();
+        assert!(store.notifications.lock().unwrap().is_empty());
+    }
 }