diff --git a/src/gui/tray/ActivityItemContent.qml b/src/gui/tray/ActivityItemContent.qml
index 3aaef75752fc6..f63306cb16573 100644
--- a/src/gui/tray/ActivityItemContent.qml
+++ b/src/gui/tray/ActivityItemContent.qml
@@ -34,7 +34,7 @@ RowLayout {
             anchors.verticalCenter: parent.verticalCenter
             anchors.left: parent.left
             cache: true
-            source: model.thumbnail.source
+            source: if(model.thumbnail !== undefined) model.thumbnail.source
             visible: false
             sourceSize.height: 64
             sourceSize.width: 64
diff --git a/src/gui/tray/activitylistmodel.h b/src/gui/tray/activitylistmodel.h
index 163f950c70116..2e82315478a2c 100644
--- a/src/gui/tray/activitylistmodel.h
+++ b/src/gui/tray/activitylistmodel.h
@@ -65,7 +65,7 @@ class ActivityListModel : public QAbstractListModel
         DisplayActions,
         ShareableRole,
         IsCurrentUserFileActivityRole,
-        ThumbnailRole
+        ThumbnailRole,
     };
     Q_ENUM(DataRole)