diff --git a/td/telegram/DocumentsManager.cpp b/td/telegram/DocumentsManager.cpp
index b8e8a0915..7a4174de1 100644
--- a/td/telegram/DocumentsManager.cpp
+++ b/td/telegram/DocumentsManager.cpp
@@ -729,6 +729,12 @@ void DocumentsManager::delete_document_thumbnail(FileId file_id) {
   document->thumbnail = PhotoSize();
 }
 
+Slice DocumentsManager::get_document_mime_type(FileId file_id) const {
+  auto document = get_document(file_id);
+  CHECK(document != nullptr);
+  return document->mime_type;
+}
+
 FileId DocumentsManager::dup_document(FileId new_id, FileId old_id) {
   const GeneralDocument *old_document = get_document(old_id);
   CHECK(old_document != nullptr);
diff --git a/td/telegram/DocumentsManager.h b/td/telegram/DocumentsManager.h
index 81eca5226..4bae409d4 100644
--- a/td/telegram/DocumentsManager.h
+++ b/td/telegram/DocumentsManager.h
@@ -19,6 +19,7 @@
 
 #include "td/utils/buffer.h"
 #include "td/utils/common.h"
+#include "td/utils/Slice.h"
 #include "td/utils/WaitFreeHashMap.h"
 
 #include <utility>
@@ -106,6 +107,8 @@ class DocumentsManager {
 
   void delete_document_thumbnail(FileId file_id);
 
+  Slice get_document_mime_type(FileId file_id) const;
+
   FileId dup_document(FileId new_id, FileId old_id);
 
   void merge_documents(FileId new_id, FileId old_id);
diff --git a/td/telegram/LinkManager.cpp b/td/telegram/LinkManager.cpp
index 6535cebd3..6feead16b 100644
--- a/td/telegram/LinkManager.cpp
+++ b/td/telegram/LinkManager.cpp
@@ -2684,7 +2684,8 @@ Result<string> LinkManager::get_background_url(const string &name,
   return url;
 }
 
-td_api::object_ptr<td_api::BackgroundType> LinkManager::get_background_type_object(const string &link) {
+td_api::object_ptr<td_api::BackgroundType> LinkManager::get_background_type_object(const string &link,
+                                                                                   bool is_pattern) {
   auto parsed_link = parse_internal_link(link);
   if (parsed_link == nullptr) {
     return nullptr;
@@ -2696,7 +2697,9 @@ td_api::object_ptr<td_api::BackgroundType> LinkManager::get_background_type_obje
   auto background_name =
       std::move(static_cast<td_api::internalLinkTypeBackground *>(parsed_object.get())->background_name_);
   if (!BackgroundType::is_background_name_local(background_name)) {
-    return nullptr;
+    BackgroundType type(false, is_pattern, nullptr);
+    type.apply_parameters_from_link(background_name);
+    return type.get_background_type_object();
   }
   auto r_background_type = BackgroundType::get_local_background_type(background_name);
   if (r_background_type.is_error()) {
diff --git a/td/telegram/LinkManager.h b/td/telegram/LinkManager.h
index fa0489531..1f72d5ecf 100644
--- a/td/telegram/LinkManager.h
+++ b/td/telegram/LinkManager.h
@@ -84,7 +84,7 @@ class LinkManager final : public Actor {
   static Result<string> get_background_url(const string &name,
                                            td_api::object_ptr<td_api::BackgroundType> background_type);
 
-  static td_api::object_ptr<td_api::BackgroundType> get_background_type_object(const string &link);
+  static td_api::object_ptr<td_api::BackgroundType> get_background_type_object(const string &link, bool is_pattern);
 
   static string get_dialog_filter_invite_link_slug(Slice invite_link);
 
diff --git a/td/telegram/WebPagesManager.cpp b/td/telegram/WebPagesManager.cpp
index 382fa5299..ccb16dde2 100644
--- a/td/telegram/WebPagesManager.cpp
+++ b/td/telegram/WebPagesManager.cpp
@@ -1455,11 +1455,16 @@ td_api::object_ptr<td_api::LinkPreviewType> WebPagesManager::get_link_preview_ty
       LOG_IF(ERROR,
              web_page->document_.type != Document::Type::Unknown && web_page->document_.type != Document::Type::General)
           << "Receive wrong document for " << web_page->url_;
+      bool is_pattern = false;
+      if (web_page->document_.type == Document::Type::General) {
+        auto mime_type = td_->documents_manager_->get_document_mime_type(web_page->document_.file_id);
+        is_pattern = mime_type == "image/png" || mime_type == "application/x-tgwallpattern";
+      }
       return td_api::make_object<td_api::linkPreviewTypeBackground>(
           web_page->document_.type == Document::Type::General
               ? td_->documents_manager_->get_document_object(web_page->document_.file_id, PhotoFormat::Png)
               : nullptr,
-          LinkManager::get_background_type_object(web_page->url_));
+          LinkManager::get_background_type_object(web_page->url_, is_pattern));
     }
     if (type == "bot") {
       LOG_IF(ERROR, web_page->document_.type != Document::Type::Unknown)