diff --git a/source/DrawComponent.cpp b/source/DrawComponent.cpp
index 676795c..5dfe336 100644
--- a/source/DrawComponent.cpp
+++ b/source/DrawComponent.cpp
@@ -231,19 +231,23 @@ void DrawComponent::DrawData ()
 		return;
 	}
 	
-	double max = arma::abs(m_data).max();
+	arma::mat data = m_data;
+	data = m_data - m_data.min();
+
+	double max = arma::abs(data).max();
 	
 	if (max < 1.0)
 	{
 		max = 1.0;
 	}
 	double scale = m_scale/max;
-	
+	data = data*scale;
+
 	for (int i=0; i < m_height; i++)
 	{
 		for (int j=0; j < m_width; j++)
 		{
-			m_pG->setColour(Colour(Colours::white).greyLevel(m_offset + scale*m_data(i*m_width + j)));
+			m_pG->setColour(Colour(Colours::white).greyLevel(m_offset + data(i*m_width + j)));
 			m_pG->fillRect(m_scaleX*j, m_scaleY*i, m_scaleX, m_scaleY);
 		}
 	}