diff --git a/scripts/msg_dumper.py b/scripts/msg_dumper.py
index 926c8c65a00ef302393a9afd78d9c57c9b6e342b..f3955e2ec5953e296456a726207d8c5177f459d5 100755
--- a/scripts/msg_dumper.py
+++ b/scripts/msg_dumper.py
@@ -30,7 +30,7 @@ class MSGDumper(Module):
         self.fobj = open(os.path.abspath(self.filename), 'a')
 
     def process(self, blob):
-        data = blob['CHData']
+        data = blob['CHData'].decode()
         log_level = 'info'
         if "ERROR" in data:
             log_level = 'error'