diff --git a/wavinfo/wave_dbmd_reader.py b/wavinfo/wave_dbmd_reader.py
index 66079f2..3883160 100644
--- a/wavinfo/wave_dbmd_reader.py
+++ b/wavinfo/wave_dbmd_reader.py
@@ -364,7 +364,7 @@ class DolbyDigitalPlusMetadata:
 
         def audio_prod_info(b):
             return (b & 0x80) > 0, \
-                DolbyDigitalPlusMetadata.MixLevel(b & 0x7c >> 2), \
+                DolbyDigitalPlusMetadata.MixLevel(b & 0x7c >> 2),\
                 DolbyDigitalPlusMetadata.RoomType(b & 0x3)
 
         # loro_center_downmix_level, loro_surround_downmix_level