diff --git a/t/t3701-add-interactive.sh b/t/t3701-add-interactive.sh
index deae948c76bd12..314b38e5333037 100755
--- a/t/t3701-add-interactive.sh
+++ b/t/t3701-add-interactive.sh
@@ -380,4 +380,25 @@ test_expect_success 'patch mode ignores unmerged entries' '
 	test_cmp expected diff
 '
 
+test_expect_success EXPENSIVE 'add -i with a lot of files' '
+	git reset --hard &&
+	x160=0123456789012345678901234567890123456789 &&
+	x160=$x160$x160$x160$x160 &&
+	y= &&
+	i=0 &&
+	while test $i -le 200
+	do
+		name=$(printf "%s%03d" $x160 $i) &&
+		echo $name >$name &&
+		git add -N $name &&
+		y="${y}y$LF" &&
+		i=$(($i+1)) ||
+		break
+	done &&
+	echo "$y" | git add -p -- . &&
+	git diff --cached >staged &&
+	test_line_count = 1407 staged &&
+	git reset --hard
+'
+
 test_done