1 files changed, 8 insertions, 6 deletions
diff --git a/td/telegram/MessageContent.cpp b/td/telegram/MessageContent.cpp
index ac84aef2a..63c82c392 100644
--- a/td/telegram/MessageContent.cpp
+++ b/td/telegram/MessageContent.cpp
@@ -5093,10 +5093,14 @@ Result<InputMessageContent> get_input_message_content(
     }
     case td_api::inputMessageDocument::ID: {
       auto input_message = static_cast<td_api::inputMessageDocument *>(input_message_content.get());
-      file_type = input_message->disable_content_type_detection_ ? FileType::DocumentAsFile : FileType::Document;
-      input_file = std::move(input_message->document_);
+      auto *document = input_message->document_.get();
+      if (document == nullptr) {
+        return Status::Error(400, "Document must be non-empty");
+      }
+      file_type = document->disable_content_type_detection_ ? FileType::DocumentAsFile : FileType::Document;
+      input_file = std::move(document->document_);
       allow_get_by_hash = true;
-      input_thumbnail = std::move(input_message->thumbnail_);
+      input_thumbnail = std::move(document->thumbnail_);
       break;
     }
     case td_api::inputMessagePhoto::ID: {
@@ -5201,9 +5205,7 @@ Result<unique_ptr<MessageContent>> get_input_poll_media(DialogId dialog_id,
       }
       case td_api::inputPollMediaDocument::ID: {
         auto content = td_api::move_object_as<td_api::inputPollMediaDocument>(input_poll_media);
-        return td_api::make_object<td_api::inputMessageDocument>(std::move(content->document_),
-                                                                 std::move(content->thumbnail_),
-                                                                 content->disable_content_type_detection_, nullptr);
+        return td_api::make_object<td_api::inputMessageDocument>(std::move(content->document_), nullptr);
       }
       case td_api::inputPollMediaLocation::ID: {
         auto content = td_api::move_object_as<td_api::inputPollMediaLocation>(input_poll_media);