diff --git a/src/streamrestore.h b/src/streamrestore.h
--- a/src/streamrestore.h
+++ b/src/streamrestore.h
@@ -38,7 +38,7 @@
     Q_PROPERTY(bool hasVolume READ hasVolume CONSTANT)
     Q_PROPERTY(bool volumeWritable READ isVolumeWritable CONSTANT)
     Q_PROPERTY(QStringList channels READ channels NOTIFY channelsChanged)
-    Q_PROPERTY(QList<qint64> channelVolumes READ channelVolumes NOTIFY channelVolumesChanged)
+    Q_PROPERTY(QList<qreal> channelVolumes READ channelVolumes NOTIFY channelVolumesChanged)
     Q_PROPERTY(quint32 deviceIndex READ deviceIndex WRITE setDeviceIndex NOTIFY deviceIndexChanged)
 public:
     StreamRestore(quint32 index, const QVariantMap &properties, QObject *parent);
@@ -61,7 +61,7 @@
 
     QStringList channels() const;
 
-    QList<qint64> channelVolumes() const;
+    QList<qreal> channelVolumes() const;
 
     quint32 deviceIndex() const;
     void setDeviceIndex(quint32 deviceIndex);
diff --git a/src/streamrestore.cpp b/src/streamrestore.cpp
--- a/src/streamrestore.cpp
+++ b/src/streamrestore.cpp
@@ -144,9 +144,9 @@
     return m_channels;
 }
 
-QList<qint64> StreamRestore::channelVolumes() const
+QList<qreal> StreamRestore::channelVolumes() const
 {
-    QList<qint64> ret;
+    QList<qreal> ret;
     ret.reserve(m_volume.channels);
     for (int i = 0; i < m_volume.channels; ++i) {
         ret << m_volume.values[i];
diff --git a/src/volumeobject.h b/src/volumeobject.h
--- a/src/volumeobject.h
+++ b/src/volumeobject.h
@@ -36,7 +36,7 @@
     Q_PROPERTY(bool hasVolume READ hasVolume NOTIFY hasVolumeChanged)
     Q_PROPERTY(bool volumeWritable READ isVolumeWritable NOTIFY isVolumeWritableChanged)
     Q_PROPERTY(QStringList channels READ channels NOTIFY channelsChanged)
-    Q_PROPERTY(QList<qint64> channelVolumes READ channelVolumes NOTIFY channelVolumesChanged)
+    Q_PROPERTY(QList<qreal> channelVolumes READ channelVolumes NOTIFY channelVolumesChanged)
 public:
     VolumeObject(QObject *parent);
     virtual ~VolumeObject();
@@ -75,7 +75,7 @@
     bool isVolumeWritable() const;
 
     QStringList channels() const;
-    QList<qint64> channelVolumes() const;
+    QList<qreal> channelVolumes() const;
     Q_INVOKABLE virtual void setChannelVolume(int channel, qint64 volume) = 0;
 
 signals:
diff --git a/src/volumeobject.cpp b/src/volumeobject.cpp
--- a/src/volumeobject.cpp
+++ b/src/volumeobject.cpp
@@ -66,9 +66,9 @@
     return m_channels;
 }
 
-QList<qint64> VolumeObject::channelVolumes() const
+QList<qreal> VolumeObject::channelVolumes() const
 {
-    QList<qint64> ret;
+    QList<qreal> ret;
     ret.reserve(m_volume.channels);
     for (int i = 0; i < m_volume.channels; ++i) {
         ret << m_volume.values[i];