Index: trunk/native/windows/win-jpackage.sh
===================================================================
--- trunk/native/windows/win-jpackage.sh	(revision 18162)
+++ trunk/native/windows/win-jpackage.sh	(revision 18163)
@@ -55,4 +55,5 @@
     --copyright "JOSM, and all its integral parts, are released under the GNU General Public License v2 or later" \
     --vendor "JOSM" \
+    --win-upgrade-uuid 79be9cf4-6dc7-41e2-a6cd-bbfaa4c07481 \
     --win-per-user-install \
     --win-dir-chooser \