diff --git a/app/src/main/java/info/nightscout/androidaps/activities/HistoryBrowseActivity.kt b/app/src/main/java/info/nightscout/androidaps/activities/HistoryBrowseActivity.kt
index 4bf1faae41..25e26d84f3 100644
--- a/app/src/main/java/info/nightscout/androidaps/activities/HistoryBrowseActivity.kt
+++ b/app/src/main/java/info/nightscout/androidaps/activities/HistoryBrowseActivity.kt
@@ -167,7 +167,7 @@ class HistoryBrowseActivity : TranslatedDaggerAppCompatActivity() {
         disposable += rxBus
             .toObservable(EventIobCalculationProgress::class.java)
             .observeOn(aapsSchedulers.main)
-            .subscribe({ updateCalcProgress(it.pass.finalPercent(it.progressPct)) }, fabricPrivacy::logException)
+            .subscribe({ updateCalcProgress(it.finalPercent) }, fabricPrivacy::logException)
         disposable += rxBus
             .toObservable(EventUpdateOverviewGraph::class.java)
             .observeOn(aapsSchedulers.main)
diff --git a/core/main/src/main/java/info/nightscout/core/events/EventIobCalculationProgress.kt b/core/main/src/main/java/info/nightscout/core/events/EventIobCalculationProgress.kt
index c532aeaa21..cfeefba518 100644
--- a/core/main/src/main/java/info/nightscout/core/events/EventIobCalculationProgress.kt
+++ b/core/main/src/main/java/info/nightscout/core/events/EventIobCalculationProgress.kt
@@ -3,4 +3,10 @@ package info.nightscout.core.events
 import info.nightscout.core.workflow.CalculationWorkflow
 import info.nightscout.rx.events.Event
 
-class EventIobCalculationProgress(val pass: CalculationWorkflow.ProgressData, val progressPct: Int, val cause: Event?) : Event()
\ No newline at end of file
+class EventIobCalculationProgress(val pass: CalculationWorkflow.ProgressData, private val progressPct: Int, val cause: Event?) : Event() {
+
+    override fun toString(): String =
+        "EventIobCalculationProgress[cause=$cause,pass=$pass,progressPct=$progressPct,finalPercent=$finalPercent]"
+
+    val finalPercent get() = pass.finalPercent(progressPct)
+}
\ No newline at end of file
diff --git a/plugins/main/src/main/java/info/nightscout/plugins/general/overview/OverviewPlugin.kt b/plugins/main/src/main/java/info/nightscout/plugins/general/overview/OverviewPlugin.kt
index 6b06358464..9d1c215d9e 100644
--- a/plugins/main/src/main/java/info/nightscout/plugins/general/overview/OverviewPlugin.kt
+++ b/plugins/main/src/main/java/info/nightscout/plugins/general/overview/OverviewPlugin.kt
@@ -122,7 +122,7 @@ class OverviewPlugin @Inject constructor(
             .toObservable(EventIobCalculationProgress::class.java)
             .observeOn(aapsSchedulers.io)
             .subscribe({
-                           overviewData.calcProgressPct = it.pass.finalPercent(it.progressPct)
+                           overviewData.calcProgressPct = it.finalPercent
                            overviewBus.send(EventUpdateOverviewCalcProgress("EventIobCalculationProgress"))
                        }, fabricPrivacy::logException)
         disposable += rxBus