diff --git a/lib/vk_music/audio.rb b/lib/vk_music/audio.rb
index 6bb3c88..c52f710 100644
--- a/lib/vk_music/audio.rb
+++ b/lib/vk_music/audio.rb
@@ -120,6 +120,7 @@ def initialize(id: nil, owner_id: nil, secret_1: nil, secret_2: nil, artist: "",
       @owner_id = owner_id
       @secret_1 = secret_1
       @secret_2 = secret_2
+      @secret_1 = @secret_2 if @secret_1.nil? || @secret_1.empty?
       @artist = artist.strip
       @title = title.strip
       @duration = duration
diff --git a/lib/vk_music/version.rb b/lib/vk_music/version.rb
index 52f0390..dd335fc 100644
--- a/lib/vk_music/version.rb
+++ b/lib/vk_music/version.rb
@@ -1,5 +1,5 @@
 module VkMusic
   ##
   # Library version.
-  VERSION = "3.1.1"
+  VERSION = "3.1.2"
 end