diff --git a/dom0-updates/qubes-dom0-update b/dom0-updates/qubes-dom0-update
index 4f5aafa..3babf7b 100755
--- a/dom0-updates/qubes-dom0-update
+++ b/dom0-updates/qubes-dom0-update
@@ -229,4 +229,7 @@ elif [ -f /var/lib/qubes/updates/repodata/repomd.xml ]; then
 else
     rm -f $UPDATES_STAT_FILE
     echo "No updates available" >&2
+    if [ "$GUI" == "1" ]; then
+        zenity --title='Dom0 updates' --text='No updates available'
+    fi
 fi