diff --git a/src/xlcalendar.tsx b/src/xlcalendar.tsx
index d17376d..2a963a0 100644
--- a/src/xlcalendar.tsx
+++ b/src/xlcalendar.tsx
@@ -55,8 +55,14 @@ interface Data {
 const processCalendar = (cal: ProcessedEvent[]): Data => {
   const data: Data = { concurrent_event_count: 0, upcoming_count: 0 };
   const now = Date.now();
+  const seen = new Set();
 
   for (let event of cal) {
+    const eventToken = `${event.start.valueOf()}|${event.summary}|${event.end.valueOf()}`;
+    if (seen.has(eventToken)) continue;
+
+    seen.add(eventToken);
+
     if (event.start.valueOf() > now) data.upcoming_count++;
     if (event.isFullDay) continue;
 
@@ -299,7 +305,7 @@ const Main = ({ data, events }: { data: Data; events: ProcessedEvent[] }) => {
           <div className="grid grid--cols-2 gap--medium grow">
             <NextEvent
               event={
-                data.current_event ? data.secondary_event : data.next_event
+                data.current_event ? data.next_event : data.current_event
               }
               hasNow={!!data.current_event}
             />