diff --git a/bot/bot.lua b/bot/bot.lua
index 7cdefc7..36171fc 100644
--- a/bot/bot.lua
+++ b/bot/bot.lua
@@ -121,13 +121,7 @@ end
 
 -- Save the content of _config to config.lua
 function save_config( )
-  file = io.open('./bot/config.lua', 'w+')
-  local serialized = serpent.block(_config, {
-    comment = false,
-    name = "config"
-  })
-  file:write(serialized)
-  file:close()
+  serialize_to_file(_config, './bot/config.lua')
   print ('saved config into ./bot/config.lua')
 end
 
@@ -167,13 +161,7 @@ function create_config( )
       "youtube" },
     sudo_users = {our_id}  
   }
-  file = io.open('./bot/config.lua', 'w+')
-  local serialized = serpent.block(config, {
-    comment = false,
-    name = "config"
-  })
-  file:write(serialized)
-  file:close()
+  serialize_to_file(config, './bot/config.lua')
   print ('saved config into ./bot/config.lua')
 end
 
diff --git a/bot/utils.lua b/bot/utils.lua
index 81079e4..bce3c4a 100644
--- a/bot/utils.lua
+++ b/bot/utils.lua
@@ -169,4 +169,15 @@ function file_exists(name)
   else 
     return false 
   end
+end
+
+-- Save into file the data serialized for lua.
+function serialize_to_file(data, file)
+  file = io.open(file, 'w+')
+  local serialized = serpent.block(data, {
+    comment = false,
+    name = "_"
+  })
+  file:write(serialized)
+  file:close()
 end
\ No newline at end of file
diff --git a/launch.sh b/launch.sh
index 56ce55d..09399ab 100755
--- a/launch.sh
+++ b/launch.sh
@@ -14,4 +14,4 @@ if [ ! -f ./tg/bin/telegram-cli ]; then
     exit
 fi
 
-./tg/bin/telegram-cli -k tg/tg-server.pub -s ./bot/bot.lua -W
+./tg/bin/telegram-cli -k tg/tg-server.pub -s ./bot/bot.lua -W -l 1