diff --git a/t/t6300-for-each-ref.sh b/t/t6300-for-each-ref.sh
index da59fadc5d..e9f468d360 100755
--- a/t/t6300-for-each-ref.sh
+++ b/t/t6300-for-each-ref.sh
@@ -650,6 +650,25 @@ test_atom refs/tags/signed-long contents "subject line
 body contents
 $sig"
 
+test_expect_success 'set up refs pointing to tree and blob' '
+	git update-ref refs/mytrees/first refs/heads/master^{tree} &&
+	git update-ref refs/myblobs/first refs/heads/master:one
+'
+
+test_atom refs/mytrees/first subject ""
+test_atom refs/mytrees/first contents:subject ""
+test_atom refs/mytrees/first body ""
+test_atom refs/mytrees/first contents:body ""
+test_atom refs/mytrees/first contents:signature ""
+test_atom refs/mytrees/first contents ""
+
+test_atom refs/myblobs/first subject ""
+test_atom refs/myblobs/first contents:subject ""
+test_atom refs/myblobs/first body ""
+test_atom refs/myblobs/first contents:body ""
+test_atom refs/myblobs/first contents:signature ""
+test_atom refs/myblobs/first contents ""
+
 test_expect_success 'set up multiple-sort tags' '
 	for when in 100000 200000
 	do