diff --git a/Makefile b/Makefile
index ae315f8..9ea47c3 100644
--- a/Makefile
+++ b/Makefile
@@ -79,7 +79,7 @@ endif
 # prepare test assets
 test/assets: repo/assets
 	mkdir -p $@
-	cp -r -t $@ repo/assets/data/*
+	ocrd workspace -d $@/kant_aufklaerung_1784 clone $</data/kant_aufklaerung_1784/data/mets.xml --download
 	bash test/prepare_gt.bash $@
 
 repo/assets: always-update