diff --git a/Office365Calendar.js b/Office365Calendar.js
index 048c36c..0a76eeb 100644
--- a/Office365Calendar.js
+++ b/Office365Calendar.js
@@ -116,6 +116,7 @@ var Office365Calendar = function () {
     var payload = {
       "Subject": title,
       "ShowAs": "Oof",
+      "IsAllDay": true,
       "Start": {
         "DateTime": formatDate(startTime),
         "TimeZone": "UTC"
@@ -235,4 +236,4 @@ var Office365CalendarEvent = function (data) {
 
     makeRequest("events/" + this.getId(), options);
   };
-};
\ No newline at end of file
+};