diff --git a/cockatrice/CMakeLists.txt b/cockatrice/CMakeLists.txt
index c88aca46b..efdfdffb3 100644
--- a/cockatrice/CMakeLists.txt
+++ b/cockatrice/CMakeLists.txt
@@ -292,7 +292,7 @@ if(APPLE)
   set(plugin_dest_dir cockatrice.app/Contents/Plugins)
   set(qtconf_dest_dir cockatrice.app/Contents/Resources)
 
-  # Qt plugins: audio (Qt5), iconengines, imageformats, platforms, printsupport (Qt5), styles, tls (Qt6)
+  # Qt plugins: audio (Qt5), iconengines, imageformats, multimedia (Qt6), platforms, printsupport (Qt5), styles, tls (Qt6)
   install(
     DIRECTORY "${QT_PLUGINS_DIR}/"
     DESTINATION ${plugin_dest_dir}
@@ -303,6 +303,7 @@ if(APPLE)
     PATTERN "audio/*.dylib"
     PATTERN "iconengines/*.dylib"
     PATTERN "imageformats/*.dylib"
+    PATTERN "multimedia/*.dylib"
     PATTERN "platforms/*.dylib"
     PATTERN "printsupport/*.dylib"
     PATTERN "styles/*.dylib"
@@ -343,7 +344,7 @@ if(WIN32)
     PATTERN "*.dll"
   )
 
-  # Qt plugins: audio (Qt5), iconengines, imageformats, platforms, printsupport (Qt5), styles, tls (Qt6)
+  # Qt plugins: audio (Qt5), iconengines, imageformats, multimedia (Qt6) platforms, printsupport (Qt5), styles, tls (Qt6)
   install(
     DIRECTORY "${QT_PLUGINS_DIR}/"
     DESTINATION ${plugin_dest_dir}
@@ -355,6 +356,7 @@ if(WIN32)
     PATTERN "imageformats/*.dll"
     PATTERN "mediaservice/dsengine.dll"
     PATTERN "mediaservice/wmfengine.dll"
+    PATTERN "multimedia/*.dll"
     PATTERN "platforms/qdirect2d.dll"
     PATTERN "platforms/qminimal.dll"
     PATTERN "platforms/qoffscreen.dll"
diff --git a/cockatrice/src/client/sound_engine.cpp b/cockatrice/src/client/sound_engine.cpp
index 5ffb39817..849088704 100644
--- a/cockatrice/src/client/sound_engine.cpp
+++ b/cockatrice/src/client/sound_engine.cpp
@@ -28,6 +28,10 @@ SoundEngine::~SoundEngine()
         player->deleteLater();
         player = nullptr;
     }
+    if (audioOutput) {
+        audioOutput->deleteLater();
+        audioOutput = nullptr;
+    }
 }
 
 void SoundEngine::soundEnabledChanged()
@@ -37,8 +41,8 @@ void SoundEngine::soundEnabledChanged()
         if (!player) {
             player = new QMediaPlayer;
 #if (QT_VERSION >= QT_VERSION_CHECK(6, 0, 0))
-            auto qAudioOutput = new QAudioOutput;
-            player->setAudioOutput(qAudioOutput);
+            audioOutput = new QAudioOutput(player);
+            player->setAudioOutput(audioOutput);
 #endif
         }
     } else {
@@ -48,6 +52,10 @@ void SoundEngine::soundEnabledChanged()
             player->deleteLater();
             player = nullptr;
         }
+        if (audioOutput) {
+            audioOutput->deleteLater();
+            audioOutput = nullptr;
+        }
     }
 }
 
diff --git a/cockatrice/src/client/sound_engine.h b/cockatrice/src/client/sound_engine.h
index 11304874a..7d99c00f4 100644
--- a/cockatrice/src/client/sound_engine.h
+++ b/cockatrice/src/client/sound_engine.h
@@ -1,12 +1,12 @@
 #ifndef SOUNDENGINE_H
 #define SOUNDENGINE_H
 
+#include <QAudioOutput>
 #include <QMap>
 #include <QMediaPlayer>
 #include <QObject>
 #include <QString>
 
-class QAudioOutput;
 class QBuffer;
 
 typedef QMap<QString, QString> QStringMap;
@@ -23,6 +23,7 @@ public:
 private:
     QStringMap availableThemes;
     QMap<QString, QString> audioData;
+    QAudioOutput *audioOutput;
     QMediaPlayer *player;
 
 protected: