diff --git a/lib/plexapi/media.py b/lib/plexapi/media.py
index 990f34b4..bccb7027 100644
--- a/lib/plexapi/media.py
+++ b/lib/plexapi/media.py
@@ -331,6 +331,7 @@ class AudioStream(MediaPartStream):
         self.profile = data.attrib.get('profile')
         self.requiredBandwidths = data.attrib.get('requiredBandwidths')
         self.samplingRate = cast(int, data.attrib.get('samplingRate'))
+        self.streamIdentifier = cast(int, data.attrib.get('streamIdentifier'))
 
         # For Track only
         self.albumGain = cast(float, data.attrib.get('albumGain'))
diff --git a/plexpy/exporter.py b/plexpy/exporter.py
index 866d488b..688e9989 100644
--- a/plexpy/exporter.py
+++ b/plexpy/exporter.py
@@ -309,7 +309,8 @@ class Export(object):
                             'duration': None,
                             'profile': None,
                             'requiredBandwidths': None,
-                            'samplingRate': None
+                            'samplingRate': None,
+                            'streamIdentifier': None
                         },
                         'subtitleStreams': {
                             'codec': None,
@@ -616,7 +617,8 @@ class Export(object):
                             'duration': None,
                             'profile': None,
                             'requiredBandwidths': None,
-                            'samplingRate': None
+                            'samplingRate': None,
+                            'streamIdentifier': None
                         },
                         'subtitleStreams': {
                             'codec': None,