diff --git a/downloader.py b/downloader.py
index 2e7674c..35ba057 100644
--- a/downloader.py
+++ b/downloader.py
@@ -11,6 +11,7 @@ import subprocess
 import os
 import pip
 import signal
+from logger import logger
 
 def updateYoutubeDL():
   pip.main(['install', '--target=' + dirpath, '--upgrade', 'youtube_dl'])
@@ -38,11 +39,12 @@ def executeYoutubeDL(url, cb):
     #"--external-downloader-args", "-re",
     url
   ]
-  popen = subprocess.Popen(cmd, env=env, stdout=subprocess.PIPE, preexec_fn=os.setsid)
+  popen = subprocess.Popen(cmd, env=env, stdout=subprocess.PIPE, stderr=subprocess.PIPE, preexec_fn=os.setsid)
 
   # monitor the stdout and send to callback, if result from callback function is true,
   # then kill the download process
   BUFFER_SIZE = 8096
+  logger.add(popen.stderr, "youtube-dl.log")
   for chunk in iter(lambda: popen.stdout.read(BUFFER_SIZE), b''):
     if cb(chunk):
       os.killpg(os.getpgid(popen.pid), signal.SIGTERM)
diff --git a/radio.py b/radio.py
index d6bd6fd..58d2973 100644
--- a/radio.py
+++ b/radio.py
@@ -1,14 +1,18 @@
 import downloader
 import ffmpeg
 import sys
+from logger import logger
 
 def run():
   process = ( ffmpeg
     .input('pipe:', re=None)
     .output("icecast://source:hackme@localhost:8000/stream.mp3", format='mp3', content_type="audio/mpeg")
-    .run_async(pipe_stdin=True)
+    .run_async(pipe_stdin=True, pipe_stdout=True, pipe_stderr=True)
   )
 
+  logger.add(process.stdout, "ffmpeg.out.log")
+  logger.add(process.stderr, "ffmpeg.err.log")
+
   def cb(chunk):
     process.stdin.write(chunk)
     return False