diff --git a/Lib/sunau.py b/Lib/sunau.py
index 02c13f555c5..9fee78c689f 100644
--- a/Lib/sunau.py
+++ b/Lib/sunau.py
@@ -180,10 +180,11 @@ class Au_read:
 		if self._encoding not in _simple_encodings:
 			raise Error, 'encoding not (yet) supported'
 		if self._encoding in (AUDIO_FILE_ENCODING_MULAW_8,
-			  AUDIO_FILE_ENCODING_LINEAR_8,
 			  AUDIO_FILE_ENCODING_ALAW_8):
 			self._sampwidth = 2
 			self._framesize = 1
+		elif self._encoding == AUDIO_FILE_ENCODING_LINEAR_8:
+			self._framesize = self._sampwidth = 1
 		elif self._encoding == AUDIO_FILE_ENCODING_LINEAR_16:
 			self._framesize = self._sampwidth = 2
 		elif self._encoding == AUDIO_FILE_ENCODING_LINEAR_24: