diff --git a/src/model/planned_event.rs b/src/model/planned_event.rs
index 0de77ff..4a73912 100644
--- a/src/model/planned_event.rs
+++ b/src/model/planned_event.rs
@@ -242,6 +242,11 @@ END:VTIMEZONE"#,
                 event.day.replace('-', ""),
                 event.planned_starting_time.replace(':', "")
             ));
+            res.push_str(&format!(
+                "\nDTSTAMP;TZID=Europe/Vienna:{}T{}00",
+                event.day.replace('-', ""),
+                event.planned_starting_time.replace(':', "")
+            ));
             res.push_str(&format!("\nSUMMARY:{}", event.name));
 
             res.push_str("\nEND:VEVENT");