diff --git a/src/calendar/helpers.js b/src/calendar/helpers.js
index ad617ad5..e5abeee0 100644
--- a/src/calendar/helpers.js
+++ b/src/calendar/helpers.js
@@ -119,5 +119,9 @@ export class Calendar {
                 this.eventsByDate[k].push(event);
             }
         }
+        for (let date in this.eventsByDate) {
+            if (!this.eventsByDate.hasOwnProperty(date)) { continue; }
+            this.eventsByDate[date].sort((a, b) => b.level - a.level);
+        }
     }
 }