diff --git a/td/telegram/files/FileManager.cpp b/td/telegram/files/FileManager.cpp
index 96b6eccf..237d8f89 100644
--- a/td/telegram/files/FileManager.cpp
+++ b/td/telegram/files/FileManager.cpp
@@ -3472,6 +3472,7 @@ void FileManager::memory_cleanup() {
         auto &node = file_nodes_[main_node_id];
         if (node != nullptr && ((int32) i) == node->main_file_id_.get()) {
           if (time - file_id_insert_time_[i] > 60 * 5 /* MAIN FILE TTL */) {
+            file_id_insert_time_[i] = INT64_MAX;
             for (auto &file_id : node->file_ids_) {
               /* DESTROY ASSOCIATED QUERIES */
               for (auto &query_id : queries_container_.ids()) {