diff --git a/app/src/main/java/net/pokeranalytics/android/ui/activity/ProgressReportActivity.kt b/app/src/main/java/net/pokeranalytics/android/ui/activity/ProgressReportActivity.kt
index f4a7eb81..babe25cf 100644
--- a/app/src/main/java/net/pokeranalytics/android/ui/activity/ProgressReportActivity.kt
+++ b/app/src/main/java/net/pokeranalytics/android/ui/activity/ProgressReportActivity.kt
@@ -7,6 +7,7 @@ import androidx.fragment.app.Fragment
 import net.pokeranalytics.android.R
 import net.pokeranalytics.android.calculus.Report
 import net.pokeranalytics.android.calculus.Stat
+import net.pokeranalytics.android.exceptions.PAIllegalStateException
 import net.pokeranalytics.android.ui.activity.components.ReportActivity
 import net.pokeranalytics.android.ui.activity.components.ReportParameters
 import net.pokeranalytics.android.ui.activity.components.RequestCode
@@ -53,6 +54,8 @@ class ProgressReportActivity : ReportActivity() {
 			val stat = it.stat ?: report.options.stats.first()
 			statisticDetailsFragment.setData(report, stat, it.showAggregationChoices, it.title)
 			parameters = null
+		} ?: run {
+			throw PAIllegalStateException("Request to show Progress Activity with null ReportParameters")
 		}
 
 		val fragmentTransaction = supportFragmentManager.beginTransaction()