diff --git a/td/telegram/Log.cpp b/td/telegram/Log.cpp
index 4c8a28b9d..57e5b7bb7 100644
--- a/td/telegram/Log.cpp
+++ b/td/telegram/Log.cpp
@@ -30,8 +30,11 @@ void Log::set_file_path(string file_path) {
     return;
   }
 
-  file_log.init(file_path, max_log_file_size);
-  log_interface = &ts_log;
+  if (file_log.init(file_path, max_log_file_size)) {
+    log_interface = &ts_log;
+  } else {
+    LOG(FATAL) << "Can't init file log";
+  }
 }
 
 void Log::set_max_file_size(int64 max_file_size) {
diff --git a/td/telegram/cli.cpp b/td/telegram/cli.cpp
index a7634175e..e830a4f44 100644
--- a/td/telegram/cli.cpp
+++ b/td/telegram/cli.cpp
@@ -2948,10 +2948,9 @@ void main(int argc, char **argv) {
       if (*arg == '\0' && i + 1 < argc) {
         arg = argv[++i];
       }
-      file_log.init(arg);
-      file_log.init(arg);
-      file_log.init(arg);
-      log_interface = &ts_log;
+      if (file_log.init(arg) && file_log.init(arg) && file_log.init(arg)) {
+        log_interface = &ts_log;
+      }
     } else if (!std::strcmp(argv[i], "-W")) {
       get_chat_list = true;
     } else if (!std::strcmp(argv[i], "--disable-network") || !std::strcmp(argv[i], "-n")) {
diff --git a/tdutils/td/utils/FileLog.cpp b/tdutils/td/utils/FileLog.cpp
index 7732b1502..e3c84f171 100644
--- a/tdutils/td/utils/FileLog.cpp
+++ b/tdutils/td/utils/FileLog.cpp
@@ -17,16 +17,26 @@
 
 namespace td {
 
-void FileLog::init(string path, int64 rotate_threshold) {
-  fd_.close();
-  path_ = std::move(path);
+bool FileLog::init(string path, int64 rotate_threshold) {
+  if (path == path_) {
+    set_rotate_threshold(rotate_threshold);
+    return true;
+  }
 
-  auto r_fd = FileFd::open(path_, FileFd::Create | FileFd::Write | FileFd::Append);
-  LOG_IF(FATAL, r_fd.is_error()) << "Can't open log: " << r_fd.error();
+  auto r_fd = FileFd::open(path, FileFd::Create | FileFd::Write | FileFd::Append);
+  if (r_fd.is_error()) {
+    LOG(ERROR) << "Can't open log: " << r_fd.error();
+    return false;
+  }
+
+  fd_.close();
   fd_ = r_fd.move_as_ok();
   Fd::duplicate(fd_.get_fd(), Fd::Stderr()).ignore();
+
+  path_ = std::move(path);
   size_ = fd_.get_size();
   rotate_threshold_ = rotate_threshold;
+  return true;
 }
 
 void FileLog::set_rotate_threshold(int64 rotate_threshold) {
diff --git a/tdutils/td/utils/FileLog.h b/tdutils/td/utils/FileLog.h
index 2114448dc..12e9d1479 100644
--- a/tdutils/td/utils/FileLog.h
+++ b/tdutils/td/utils/FileLog.h
@@ -17,7 +17,7 @@ class FileLog : public LogInterface {
   static constexpr int64 DEFAULT_ROTATE_THRESHOLD = 10 * (1 << 20);
 
  public:
-  void init(string path, int64 rotate_threshold = DEFAULT_ROTATE_THRESHOLD);
+  bool init(string path, int64 rotate_threshold = DEFAULT_ROTATE_THRESHOLD);
 
   void set_rotate_threshold(int64 rotate_threshold);
 
diff --git a/test/TestsRunner.cpp b/test/TestsRunner.cpp
index 600e5c3ee..fbe155738 100644
--- a/test/TestsRunner.cpp
+++ b/test/TestsRunner.cpp
@@ -55,8 +55,9 @@ void TestsRunner::init(string dir) {
   SET_VERBOSITY_LEVEL(VERBOSITY_NAME(WARNING));
   chdir(dir).ensure();
   LOG(WARNING) << "Redirect log into " << tag("file", dir + TD_DIR_SLASH + "log.txt");
-  file_log.init("log.txt", std::numeric_limits<int64>::max());
-  log_interface = &ts_log;
+  if (file_log.init("log.txt", std::numeric_limits<int64>::max())) {
+    log_interface = &ts_log;
+  }
 }
 
 }  // namespace td