diff --git a/src/qml/components/Calendar.qml b/src/qml/components/Calendar.qml
index 1afb97d..9f15ea0 100644
--- a/src/qml/components/Calendar.qml
+++ b/src/qml/components/Calendar.qml
@@ -126,6 +126,9 @@ ColumnLayout {
 						
 						Repeater {
 							model: backend.tasks.filter(task => {
+							   	if (task.startTime == "" || task.endTime == "") {
+									return false
+							   	}
 								const date = new Date(internal.weekStartDate)
 								date.setDate(internal.weekStartDate.getDate() + index)
 								return task.date === date.toLocaleDateString(Qt.locale(), "yyyy-MM-dd")