diff --git a/app/src/main/java/de/tadris/fitness/activity/WorkoutActivity.java b/app/src/main/java/de/tadris/fitness/activity/WorkoutActivity.java
index 12f641e..3bb2e2d 100644
--- a/app/src/main/java/de/tadris/fitness/activity/WorkoutActivity.java
+++ b/app/src/main/java/de/tadris/fitness/activity/WorkoutActivity.java
@@ -115,7 +115,7 @@ public abstract class WorkoutActivity extends FitoTrackActivity {
         dataSet.setValueTextColor(getThemePrimaryColor());
         dataSet.setDrawCircles(false);
         dataSet.setLineWidth(4);
-        dataSet.setMode(LineDataSet.Mode.CUBIC_BEZIER);
+        dataSet.setMode(LineDataSet.Mode.HORIZONTAL_BEZIER);
 
         Description description= new Description();
         description.setText(converter.getDescription());