diff --git a/src/animations/boxplotanimation.cpp b/src/animations/boxplotanimation.cpp
index 210f078..a115f63 100644
--- a/src/animations/boxplotanimation.cpp
+++ b/src/animations/boxplotanimation.cpp
@@ -42,7 +42,11 @@ void BoxPlotAnimation::addBox(BoxWhiskers *box)
         animation = new BoxWhiskersAnimation(box, this);
         m_animations.insert(box, animation);
         BoxWhiskersData start;
+        start.m_lowerExtreme = box->m_data.m_median;
+        start.m_lowerQuartile = box->m_data.m_median;
         start.m_median = box->m_data.m_median;
+        start.m_upperQuartile = box->m_data.m_median;
+        start.m_upperExtreme = box->m_data.m_median;
         animation->setup(start, box->m_data);
     } else {
         animation->stop();
@@ -54,7 +58,7 @@ ChartAnimation *BoxPlotAnimation::boxAnimation(BoxWhiskers *box)
 {
     BoxWhiskersAnimation *animation = m_animations.value(box);
     if (animation)
-        animation->m_moveMedianLine = false;
+        animation->m_changeAnimation = false;
 
     return animation;
 }
@@ -62,7 +66,7 @@ ChartAnimation *BoxPlotAnimation::boxAnimation(BoxWhiskers *box)
 ChartAnimation *BoxPlotAnimation::boxChangeAnimation(BoxWhiskers *box)
 {
     BoxWhiskersAnimation *animation = m_animations.value(box);
-    animation->m_moveMedianLine = true;
+    animation->m_changeAnimation = true;
     animation->setEndData(box->m_data);
 
     return animation;
diff --git a/src/animations/boxwhiskersanimation.cpp b/src/animations/boxwhiskersanimation.cpp
index 2ce9352..92cab83 100644
--- a/src/animations/boxwhiskersanimation.cpp
+++ b/src/animations/boxwhiskersanimation.cpp
@@ -50,7 +50,7 @@ QVariant BoxWhiskersAnimation::interpolated(const QVariant &from, const QVariant
     BoxWhiskersData endData = qvariant_cast<BoxWhiskersData>(to);
     BoxWhiskersData result;
 
-    if (m_moveMedianLine) {
+    if (m_changeAnimation) {
         result.m_lowerExtreme = startData.m_lowerExtreme + progress * (endData.m_lowerExtreme - startData.m_lowerExtreme);
         result.m_lowerQuartile = startData.m_lowerQuartile + progress * (endData.m_lowerQuartile - startData.m_lowerQuartile);
         result.m_median = startData.m_median + progress * (endData.m_median - startData.m_median);
diff --git a/src/animations/boxwhiskersanimation_p.h b/src/animations/boxwhiskersanimation_p.h
index 1d7ddfa..c1e9f16 100644
--- a/src/animations/boxwhiskersanimation_p.h
+++ b/src/animations/boxwhiskersanimation_p.h
@@ -60,7 +60,7 @@ public: // from QVariantAnimation
 protected:
     friend class BoxPlotAnimation;
     BoxWhiskers *m_box;
-    bool m_moveMedianLine;
+    bool m_changeAnimation;
     BoxPlotAnimation *m_boxPlotAnimation;
 };