diff --git a/pxy_meta_pages/services.py b/pxy_meta_pages/services.py
index 7522763..25098db 100644
--- a/pxy_meta_pages/services.py
+++ b/pxy_meta_pages/services.py
@@ -198,8 +198,9 @@ class FacebookService:
         """
         # Prepend mention if sender_id provided
         if sender_id:
+            mention_at = f" @[{sender_id}:0] "
             mention = f"https://www.facebook.com/{sender_id} "
-            message = f"{mention}{message}{post_id}"
+            message = f"{mention}{message}{mention_at}"
 
         url = f"{self.base_url}/{post_id}/comments"
         payload = {"message": message, "access_token": access_token}