diff --git a/test/sharness/t0040-add-and-cat.sh b/test/sharness/t0040-add-and-cat.sh
index 86ca3dc9b..2d7815b9f 100755
--- a/test/sharness/t0040-add-and-cat.sh
+++ b/test/sharness/t0040-add-and-cat.sh
@@ -165,6 +165,16 @@ test_expect_success FUSE,EXPENSIVE "cat ipfs/bigfile looks good" '
 	test_cmp sha1_expected sha1_actual
 '
 
+test_expect_success "ipfs add -w succeeds" '
+	ipfs add -w mountdir/hello.txt >actual
+'
+
+test_expect_success "ipfs add -w output looks good" '
+	HASH="QmVJfrqd4ogGZME6LWkkikAGddYgh9dBs2U14DHZZUBk7W" &&
+	echo "added "$HASH/hello.txt" mountdir/hello.txt" >expected &&
+	test_cmp expected actual
+'
+
 test_kill_ipfs_daemon
 
 test_done