diff --git a/td/telegram/MessageContent.cpp b/td/telegram/MessageContent.cpp
index bf02834b7..f529b0707 100644
--- a/td/telegram/MessageContent.cpp
+++ b/td/telegram/MessageContent.cpp
@@ -2849,6 +2849,15 @@ int32 get_message_content_live_location_period(const MessageContent *content) {
   }
 }
 
+bool get_message_content_poll_is_anonymous(const Td *td, const MessageContent *content) {
+  switch (content->get_type()) {
+    case MessageContentType::Poll:
+      return td->poll_manager_->get_poll_is_anonymous(static_cast<const MessagePoll *>(content)->poll_id);
+    default:
+      return false;
+  }
+}
+
 bool get_message_content_poll_is_closed(const Td *td, const MessageContent *content) {
   switch (content->get_type()) {
     case MessageContentType::Poll:
diff --git a/td/telegram/MessageContent.h b/td/telegram/MessageContent.h
index c911cefbd..411c92527 100644
--- a/td/telegram/MessageContent.h
+++ b/td/telegram/MessageContent.h
@@ -147,6 +147,8 @@ UserId get_message_content_deleted_user_id(const MessageContent *content);
 
 int32 get_message_content_live_location_period(const MessageContent *content);
 
+bool get_message_content_poll_is_anonymous(const Td *td, const MessageContent *content);
+
 bool get_message_content_poll_is_closed(const Td *td, const MessageContent *content);
 
 bool has_message_content_web_page(const MessageContent *content);
diff --git a/td/telegram/MessagesManager.cpp b/td/telegram/MessagesManager.cpp
index e83c91ecb..7008ea894 100644
--- a/td/telegram/MessagesManager.cpp
+++ b/td/telegram/MessagesManager.cpp
@@ -17280,6 +17280,7 @@ Status MessagesManager::can_get_message_viewers(DialogId dialog_id, const Messag
   if (td_->auth_manager_->is_bot()) {
     return Status::Error(400, "User is bot");
   }
+  CHECK(m != nullptr);
   if (!m->is_outgoing) {
     return Status::Error(400, "Can't get viewers of incoming messages");
   }
@@ -17331,6 +17332,10 @@ Status MessagesManager::can_get_message_viewers(DialogId dialog_id, const Messag
   }
   CHECK(m->message_id.is_server());
 
+  if (m->content->get_type() == MessageContentType::Poll &&
+      get_message_content_poll_is_anonymous(td_, m->content.get())) {
+  }
+
   return Status::OK();
 }