diff --git a/plugins/VOIP/gui/QVideoDevice.cpp b/plugins/VOIP/gui/QVideoDevice.cpp
index ae149bfc5..57fa12d51 100644
--- a/plugins/VOIP/gui/QVideoDevice.cpp
+++ b/plugins/VOIP/gui/QVideoDevice.cpp
@@ -49,7 +49,7 @@ QVideoInputDevice::~QVideoInputDevice()
     delete _timer;
 }
 
-bool QVideoInputDevice::stopped()
+bool QVideoInputDevice::stopped() const
 {
     return _timer == NULL ;
 }
@@ -204,7 +204,10 @@ bool QVideoInputDevice::getNextEncodedPacket(RsVOIPDataChunk& chunk)
 
 uint32_t QVideoInputDevice::currentBandwidth() const
 {
-    return _video_processor->currentBandwidthOut() ;
+    if(stopped())
+        return 0;
+    else
+        return _video_processor->currentBandwidthOut() ;
 }
 
 QVideoOutputDevice::QVideoOutputDevice(QWidget *parent)
diff --git a/plugins/VOIP/gui/QVideoDevice.h b/plugins/VOIP/gui/QVideoDevice.h
index 0935c2730..63d83b4e1 100644
--- a/plugins/VOIP/gui/QVideoDevice.h
+++ b/plugins/VOIP/gui/QVideoDevice.h
@@ -74,7 +74,7 @@ class QVideoInputDevice: public QObject
         
         void start(const QString &description = QString()) ;
 		void stop() ;
-		bool stopped();
+        bool stopped() const;
 
         enum CameraStatus {
             CAMERA_IS_READY           = 0x00,