diff --git a/web/src/views/events/EventView.tsx b/web/src/views/events/EventView.tsx
index 776a22d36..5665a5364 100644
--- a/web/src/views/events/EventView.tsx
+++ b/web/src/views/events/EventView.tsx
@@ -260,6 +260,7 @@ export default function EventView({
         )}
         {severity == "significant_motion" && (
           <MotionReview
+            key={timeRange.before}
             contentRef={contentRef}
             reviewItems={reviewItems}
             relevantPreviews={relevantPreviews}
@@ -598,7 +599,7 @@ function MotionReview({
 
   const [selectedRangeIdx, setSelectedRangeIdx] = useState(initialIndex);
   const [currentTime, setCurrentTime] = useState<number>(
-    startTime ?? timeRangeSegments.ranges[selectedRangeIdx].start,
+    startTime ?? timeRangeSegments.ranges[selectedRangeIdx]?.start,
   );
   const currentTimeRange = useMemo(
     () => timeRangeSegments.ranges[selectedRangeIdx],