2 files changed, 3 insertions, 2 deletions
diff --git a/src/plugins/CommandLineOptions/IncDecVolumeOption/incdecvolumeoption.cpp b/src/plugins/CommandLineOptions/IncDecVolumeOption/incdecvolumeoption.cpp
index 9ba8566ee..5384bcb39 100644
--- a/src/plugins/CommandLineOptions/IncDecVolumeOption/incdecvolumeoption.cpp
+++ b/src/plugins/CommandLineOptions/IncDecVolumeOption/incdecvolumeoption.cpp
@@ -46,7 +46,7 @@ const QString IncDecVolumeCommandLineOption::helpString() const
             );
 }
 
-void IncDecVolumeCommandLineOption::executeCommand(const QString& opt_str, const QStringList &args)
+QString IncDecVolumeCommandLineOption::executeCommand(const QString& opt_str, const QStringList &args)
 {
     Q_UNUSED(args);
     SoundCore *core = SoundCore::instance();
@@ -67,6 +67,7 @@ void IncDecVolumeCommandLineOption::executeCommand(const QString& opt_str, const
     }
     core->setVolume(volume-qMax(balance,0)*volume/100,
                     volume+qMin(balance,0)*volume/100);
+    return QString();
 }
 
 const QString IncDecVolumeCommandLineOption::name() const
diff --git a/src/plugins/CommandLineOptions/IncDecVolumeOption/incdecvolumeoption.h b/src/plugins/CommandLineOptions/IncDecVolumeOption/incdecvolumeoption.h
index 55c3579c4..7a1b5768a 100644
--- a/src/plugins/CommandLineOptions/IncDecVolumeOption/incdecvolumeoption.h
+++ b/src/plugins/CommandLineOptions/IncDecVolumeOption/incdecvolumeoption.h
@@ -36,7 +36,7 @@ public:
     virtual bool identify(const QString& opt_str)const;
     virtual const QString name()const;
     virtual const QString helpString()const;
-    virtual void executeCommand(const QString& opt_str, const QStringList &args);
+    virtual QString executeCommand(const QString& opt_str, const QStringList &args);
     virtual QTranslator *createTranslator(QObject *parent);
 };