diff --git a/toonz/sources/common/tsound/tsound_qt.cpp b/toonz/sources/common/tsound/tsound_qt.cpp
index 40ea4884..3e90e71f 100644
--- a/toonz/sources/common/tsound/tsound_qt.cpp
+++ b/toonz/sources/common/tsound/tsound_qt.cpp
@@ -325,8 +325,7 @@ TSoundTrackFormat TSoundOutputDevice::getPreferredFormat(TUINT32 sampleRate,
                                                          int channelCount,
                                                          int bitPerSample,
                                                          int sampleType) {
-  TSoundTrackFormat fmt(sampleRate, bitPerSample, channelCount, true,
-                        sampleType);
+  TSoundTrackFormat fmt(sampleRate, bitPerSample, channelCount, sampleType);
   return fmt;
 }