diff --git a/nightly.sh b/nightly.sh
index 272d35c..b934eae 100755
--- a/nightly.sh
+++ b/nightly.sh
@@ -78,7 +78,7 @@ fedmsg_json_done=$(printf '{"log": "done", "branch": "%s", "arch": "%s", "compos
 DESTDIR=$TARGET_DIR/$NEWCOMPOSE_ID
 
 compose-changelog -p $TARGET_DIR/$NEWCOMPOSE_ID/logs/ $TARGET_DIR/$OLDCOMPOSE_ID/ $TARGET_DIR/$NEWCOMPOSE_ID/
-/usr/share/mash/spam-o-matic $DESTDIR/compose/Everything/ >$DESTDIR/logs/depcheck
+/usr/share/mash/spam-o-matic --treename F-$BRANCHED $DESTDIR/compose/Everything/ >$DESTDIR/logs/depcheck
 
 [ -z "$ARCH" ] && {
 ./releng/scripts/critpath.py --url file://$DESTDIR/compose/Everything -o $DESTDIR/logs/critpath.txt branched &> $DESTDIR/logs/critpath.log