diff --git a/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/IobCobCalculatorPlugin.java b/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/IobCobCalculatorPlugin.java
index 12bdad5674..3590407da7 100644
--- a/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/IobCobCalculatorPlugin.java
+++ b/app/src/main/java/info/nightscout/androidaps/plugins/IobCobCalculator/IobCobCalculatorPlugin.java
@@ -25,6 +25,7 @@ import info.nightscout.androidaps.data.Profile;
 import info.nightscout.androidaps.db.BgReading;
 import info.nightscout.androidaps.db.TemporaryBasal;
 import info.nightscout.androidaps.db.Treatment;
+import info.nightscout.androidaps.events.EventConfigBuilderChange;
 import info.nightscout.androidaps.events.EventNewBG;
 import info.nightscout.androidaps.events.EventNewBasalProfile;
 import info.nightscout.androidaps.events.EventPreferenceChange;
@@ -597,6 +598,21 @@ public class IobCobCalculatorPlugin implements PluginBase {
         }
     }
 
+    @Subscribe
+    public void onStatusEvent(EventConfigBuilderChange ev) {
+        synchronized (dataLock) {
+            log.debug("Invalidating cached data because of configuration change. IOB: " + iobTable.size() + " Autosens: " + autosensDataTable.size() + " records");
+            iobTable = new LongSparseArray<>();
+            autosensDataTable = new LongSparseArray<>();
+        }
+        sHandler.post(new Runnable() {
+            @Override
+            public void run() {
+                calculateSensitivityData();
+            }
+        });
+    }
+
     // When historical data is changed (comming from NS etc) finished calculations after this date must be invalidated
     @Subscribe
     public void onNewHistoryData(EventNewHistoryData ev) {