diff --git a/denonavr/denonavr.py b/denonavr/denonavr.py
index <HASH>..<HASH> 100644
--- a/denonavr/denonavr.py
+++ b/denonavr/denonavr.py
@@ -45,7 +45,7 @@ SOUND_MODE_MAPPING = OrderedDict(
      ('VIRTUAL', ['VIRTUAL']),
      ('PURE DIRECT', ['DIRECT']),
      ('DOLBY DIGITAL', ['DOLBY DIGITAL', 'DOLBY D + DOLBY SURROUND',
-                        'DTS NEURAL:X', 'STANDARD(DOLBY)']),
+                        'DTS NEURAL:X', 'STANDARD(DOLBY)', 'DOLBY SURROUND']),
      ('MCH STEREO', ['MULTI CH STEREO', 'MULTI CH IN']),
      ('STEREO', ['STEREO'])])
Add 'Dolby Surround' to sound mode mapping