diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/ActivitySleepChartFragment.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/ActivitySleepChartFragment.java
index 7fa0fc66..8bab4941 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/ActivitySleepChartFragment.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/ActivitySleepChartFragment.java
@@ -13,6 +13,7 @@ import com.github.mikephil.charting.charts.Chart;
 import com.github.mikephil.charting.components.LegendEntry;
 import com.github.mikephil.charting.components.XAxis;
 import com.github.mikephil.charting.components.YAxis;
+import com.github.mikephil.charting.data.CombinedData;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -117,6 +118,7 @@ public class ActivitySleepChartFragment extends AbstractChartFragment {
     protected void updateChartsnUIThread(ChartsData chartsData) {
         DefaultChartsData dcd = (DefaultChartsData) chartsData;
         mChart.getLegend().setTextColor(LEGEND_TEXT_COLOR);
+        mChart.setData(null); // workaround for https://github.com/PhilJay/MPAndroidChart/issues/2317
         mChart.setData(dcd.getCombinedData());
     }
 
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/SleepChartFragment.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/SleepChartFragment.java
index 69d038a1..ead1bb1d 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/SleepChartFragment.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/SleepChartFragment.java
@@ -99,6 +99,7 @@ public class SleepChartFragment extends AbstractChartFragment {
         mSleepAmountChart.setCenterText(mcd.getPieData().getTotalSleep());
         mSleepAmountChart.setData(mcd.getPieData().getPieData());
 
+        mActivityChart.setData(null); // workaround for https://github.com/PhilJay/MPAndroidChart/issues/2317
         mActivityChart.setData(mcd.getChartsData().getCombinedData());
     }
 
diff --git a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/WeekStepsChartFragment.java b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/WeekStepsChartFragment.java
index 6557c50e..5eb6a067 100644
--- a/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/WeekStepsChartFragment.java
+++ b/app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/charts/WeekStepsChartFragment.java
@@ -67,6 +67,7 @@ public class WeekStepsChartFragment extends AbstractChartFragment {
         mTodayStepsChart.setCenterText(NumberFormat.getNumberInstance(mLocale).format(mcd.getDaySteps().totalSteps));
         mTodayStepsChart.setData(mcd.getDaySteps().data);
 
+        mWeekStepsChart.setData(null); // workaround for https://github.com/PhilJay/MPAndroidChart/issues/2317
         mWeekStepsChart.setData(mcd.getWeekBeforeStepsData().getCombinedData());
         mWeekStepsChart.getLegend().setEnabled(false);
     }