diff --git a/include/EffectRackView.h b/include/EffectRackView.h
index fec627a56f9..695bad24b6e 100644
--- a/include/EffectRackView.h
+++ b/include/EffectRackView.h
@@ -56,9 +56,9 @@ public slots:
 	void moveUp(EffectView* view);
 	void moveDown(EffectView* view);
 	void deletePlugin(EffectView* view);
+	void update();
 
 private slots:
-	virtual void update();
 	void addEffect();
 
 
diff --git a/src/gui/MixerView.cpp b/src/gui/MixerView.cpp
index 8152509f86a..e9ec1265667 100644
--- a/src/gui/MixerView.cpp
+++ b/src/gui/MixerView.cpp
@@ -234,6 +234,7 @@ void MixerView::refreshDisplay()
 	for (int i = 0; i < m_mixerChannelViews.size(); ++i)
 	{
 		updateMixerChannel(i);
+		m_mixerChannelViews[i]->m_effectRackView->update();
 	}
 
 	updateMaxChannelSelector();
diff --git a/src/gui/instrument/InstrumentTrackWindow.cpp b/src/gui/instrument/InstrumentTrackWindow.cpp
index 1fb8596625e..0d5fc085430 100644
--- a/src/gui/instrument/InstrumentTrackWindow.cpp
+++ b/src/gui/instrument/InstrumentTrackWindow.cpp
@@ -289,7 +289,7 @@ InstrumentTrackWindow::InstrumentTrackWindow( InstrumentTrackView * _itv ) :
 		flags |= Qt::MSWindowsFixedSizeDialogHint;
 		// any better way than this?
 	} else {
-		subWin->setMaximumSize(m_instrumentView->maximumHeight() + 12, m_instrumentView->maximumWidth() + 208);
+		subWin->setMaximumSize(m_instrumentView->maximumWidth() + 12, m_instrumentView->maximumHeight() + 208);
 		subWin->setMinimumSize( m_instrumentView->minimumWidth() + 12, m_instrumentView->minimumHeight() + 208);
 	}
 	flags &= ~Qt::WindowMaximizeButtonHint;