diff --git a/src/libtomahawk/infosystem/infoplugins/unix/MprisPlugin.cpp b/src/libtomahawk/infosystem/infoplugins/unix/MprisPlugin.cpp
index 542ce34c9..b4443bdf5 100644
--- a/src/libtomahawk/infosystem/infoplugins/unix/MprisPlugin.cpp
+++ b/src/libtomahawk/infosystem/infoplugins/unix/MprisPlugin.cpp
@@ -254,8 +254,8 @@ MprisPlugin::metadata() const
     Tomahawk::result_ptr track = AudioEngine::instance()->currentTrack();
     if ( track )
     {
-        metadataMap.insert( "mpris:trackid", QString( "/track/" ) + track->id().replace( "-", "" ) );
-        metadataMap.insert( "mpris:length", track->duration() );
+        metadataMap.insert( "mpris:trackid", QVariant::fromValue(QDBusObjectPath(QString( "/track/" ) + track->id().replace( "-", "" ))) );
+        metadataMap.insert( "mpris:length", static_cast<qlonglong>(track->duration()) * 1000000 );
         metadataMap.insert( "xesam:album", track->album()->name() );
         metadataMap.insert( "xesam:artist", QStringList( track->artist()->name() ) );
         metadataMap.insert( "xesam:title", track->track() );
@@ -332,14 +332,14 @@ MprisPlugin::setShuffle( bool value )
 double
 MprisPlugin::volume() const
 {
-    return AudioEngine::instance()->volume();
+    return static_cast<double>(AudioEngine::instance()->volume()) / 100.0;
 }
 
 
 void
 MprisPlugin::setVolume( double value )
 {
-    AudioEngine::instance()->setVolume( value );
+    AudioEngine::instance()->setVolume( value * 100 );
 }