diff --git a/hask-irc-core/Network/IRC/Client.hs b/hask-irc-core/Network/IRC/Client.hs
index adfd2b0..da15287 100644
--- a/hask-irc-core/Network/IRC/Client.hs
+++ b/hask-irc-core/Network/IRC/Client.hs
@@ -10,7 +10,7 @@ Portability : POSIX
 
 {-# LANGUAGE TemplateHaskell #-}
 
-module Network.IRC.Client (runBot) where
+module Network.IRC.Client (runBot, Priority (..)) where
 
 import qualified System.Log.Logger as HSL
 
@@ -175,7 +175,7 @@ runBotIntenal botConfig' = withSocketsDo $ do
 -- | Creates and runs an IRC bot for given the config. This IO action runs forever.
 runBot :: BotConfig -- ^ The bot config used to create the bot.
        -> IO ()
-runBot botConfig = do
+runBot botConfig@BotConfig { .. } = do
   -- setup signal handling
   mainThreadId            <- myThreadId
   let interruptMainThread = throwTo mainThreadId UserInterrupt
@@ -185,10 +185,10 @@ runBot botConfig = do
   -- setup logging
   hSetBuffering stdout LineBuffering
   hSetBuffering stderr LineBuffering
-  stderrHandler <- streamHandler stderr DEBUG >>= \logHandler ->
+  stderrHandler <- streamHandler stderr botLogLevel >>= \logHandler ->
                      return . setFormatter logHandler $
                        tfLogFormatter "%F %T" "[$utcTime] $loggername $prio $msg"
-  updateGlobalLogger rootLoggerName (setHandlers [stderrHandler] . setLevel DEBUG)
+  updateGlobalLogger rootLoggerName (setHandlers [stderrHandler] . setLevel botLogLevel)
 
   -- run
   runBotIntenal botConfig
diff --git a/hask-irc-core/Network/IRC/Internal/Types.hs b/hask-irc-core/Network/IRC/Internal/Types.hs
index 98e1c93..212c4a6 100644
--- a/hask-irc-core/Network/IRC/Internal/Types.hs
+++ b/hask-irc-core/Network/IRC/Internal/Types.hs
@@ -8,6 +8,7 @@ module Network.IRC.Internal.Types where
 import ClassyPrelude
 import Control.Monad.Base         (MonadBase)
 import Control.Monad.State.Strict (StateT, MonadState, execStateT)
+import System.Log.Logger          (Priority)
 
 import qualified Network.IRC.Configuration as CF
 import Network.IRC.Message.Types
@@ -64,6 +65,8 @@ data BotConfig = BotConfig
   -- | The timeout in seconds after which bot automatically disconnects and tries to reconnect.
   -- Should be few seconds more than the ping timeout of the server.
   , botTimeout       :: !Int
+  -- | Log level of the log messages.
+  , botLogLevel      :: Priority
   -- | Info about the message handlers. A map of message handler names to a map of all commands supported
   -- by that message handler to the help text of that command.
   , msgHandlerInfo   :: !(Map MsgHandlerName (Map Text Text))
@@ -92,9 +95,11 @@ newBotConfig :: Text       -- ^ server
              -> Text       -- ^ channel
              -> Nick       -- ^ botNick
              -> Int        -- ^ botTimeout
+             -> Priority   -- ^ botLogLevel
              -> BotConfig
-newBotConfig server port channel botNick botTimeout =
-  BotConfig server port channel botNick botNick botTimeout mempty mempty [] [] (CF.fromMap mempty)
+newBotConfig server port channel botNick botTimeout botLogLevel =
+  BotConfig server port channel botNick botNick botTimeout botLogLevel
+            mempty mempty [] [] (CF.fromMap mempty)
 
 -- | The bot.
 data Bot = Bot
@@ -195,7 +200,7 @@ instance Ord MsgHandlerMaker where
 -- | Handles a message using a given message handler.
 handleMessage :: MsgHandler    -- ^ The message handler.
               -> BotConfig     -- ^ The bot config.
-              -> Message   -- ^ The message to handle.
+              -> Message       -- ^ The message to handle.
               -> IO [Message]  -- ^ A list of commands to be sent to the server.
 handleMessage MsgHandler { .. } botConfig =
   flip runReaderT botConfig . _runMsgHandler . onMessage