diff --git a/supervisor_stdout.py b/supervisor_stdout.py
index e7b1b5a..ea70691 100644
--- a/supervisor_stdout.py
+++ b/supervisor_stdout.py
@@ -18,6 +18,7 @@ def main():
         write_stdout('RESULT %s\n%s'%(len(data), data)) # transition from READY to ACKNOWLEDGED
 
 def event_handler(event, response):
+    response = response.decode()
     line, data = response.split('\n', 1)
     headers = dict([ x.split(':') for x in line.split() ])
     lines = data.split('\n')