diff --git a/histogram.cpp b/histogram.cpp
index c3ec0ff..a745700 100644
--- a/histogram.cpp
+++ b/histogram.cpp
@@ -40,7 +40,8 @@ void Histogram::paintEvent(QPaintEvent *)
                 uint64_t end =(i+1) * m_histogram.size() / w;
                 for(uint64_t o = start; o < end; o++)
                     sum += m_histogram[o];
-                m_points.push_back(sum);
+                if(start != end)
+                    m_points.push_back(sum);
             }
             float scale = *std::max_element(m_points.begin(), m_points.end());
             if(m_log)
@@ -57,7 +58,7 @@ void Histogram::paintEvent(QPaintEvent *)
         points.push_back(QPointF(0, h));
         for(size_t i = 0; i < m_points.size(); i++)
         {
-            points.push_back(QPointF(i, h - m_points[i] * h));
+            points.push_back(QPointF((float)i * w / m_points.size(), h - m_points[i] * h));
         }
         points.push_back(QPoint(w, h));
         painter.setBrush(Qt::gray);