diff --git a/main.py b/main.py
index 4df8811..3d342a2 100644
--- a/main.py
+++ b/main.py
@@ -916,11 +916,22 @@ async def handle_issue_comment(payload: dict[str, Any]) -> None:
     if not repo_full_name or not pr_number:
         return
     msg = f"Новый комментарий в PR {repo_full_name}#{pr_number}: {body}"
-    for chat_id in await get_pr_participant_chat_ids(
+    recipient_chat_ids = await get_pr_participant_chat_ids(
         repo_full_name,
         int(pr_number),
         exclude_login=commenter_login,
-    ):
+    )
+    if not recipient_chat_ids:
+        log_warn(
+            f"[notify] issue_comment без получателей для {repo_full_name}#{pr_number}. "
+            f"commenter={commenter_login}"
+        )
+        return
+    log_info(
+        f"[notify] issue_comment для {repo_full_name}#{pr_number}, "
+        f"commenter={commenter_login}, получателей={len(recipient_chat_ids)}"
+    )
+    for chat_id in recipient_chat_ids:
         await telegram_client.send_message(chat_id, msg)
 
 
@@ -936,12 +947,23 @@ async def handle_pull_request_comment(payload: dict[str, Any]) -> None:
     if not repo_full_name or not pr_number or not body:
         return
     msg = f"Новый комментарий в PR {repo_full_name}#{pr_number}: {body}"
-    for chat_id in await get_pr_participant_chat_ids(
+    recipient_chat_ids = await get_pr_participant_chat_ids(
         repo_full_name,
         int(pr_number),
         pull_request=pull_request,
         exclude_login=commenter_login,
-    ):
+    )
+    if not recipient_chat_ids:
+        log_warn(
+            f"[notify] pull_request_comment без получателей для {repo_full_name}#{pr_number}. "
+            f"commenter={commenter_login}"
+        )
+        return
+    log_info(
+        f"[notify] pull_request_comment для {repo_full_name}#{pr_number}, "
+        f"commenter={commenter_login}, получателей={len(recipient_chat_ids)}"
+    )
+    for chat_id in recipient_chat_ids:
         await telegram_client.send_message(chat_id, msg)