diff --git a/applets/digital-clock/package/contents/ui/Tooltip.qml b/applets/digital-clock/package/contents/ui/Tooltip.qml
--- a/applets/digital-clock/package/contents/ui/Tooltip.qml
+++ b/applets/digital-clock/package/contents/ui/Tooltip.qml
@@ -36,17 +36,22 @@
     LayoutMirroring.childrenInherit: true
 
     function timeForZone(zone) {
+        var compactRepresentationItem = plasmoid.compactRepresentationItem;
+        if (!compactRepresentationItem) {
+            return "";
+        }
+
         // get the time for the given timezone from the dataengine
         var now = dataSource.data[zone]["DateTime"];
         // get current UTC time
         var msUTC = now.getTime() + (now.getTimezoneOffset() * 60000);
         // add the dataengine TZ offset to it
         var dateTime = new Date(msUTC + (dataSource.data[zone]["Offset"] * 1000));
 
-        var formattedTime = Qt.formatTime(dateTime, plasmoid.compactRepresentationItem.timeFormat);
+        var formattedTime = Qt.formatTime(dateTime, compactRepresentationItem.timeFormat);
 
         if (dateTime.getDay() != dataSource.data["Local"]["DateTime"].getDay()) {
-            formattedTime += " (" + Qt.formatDate(dateTime, plasmoid.compactRepresentationItem.dateFormat) + ")";
+            formattedTime += " (" + Qt.formatDate(dateTime, compactRepresentationItem.dateFormat) + ")";
         }
 
         return formattedTime;