diff --git a/src/html/template/js_test.go b/src/html/template/js_test.go
index 311e1d2c4e..7af7997de9 100644
--- a/src/html/template/js_test.go
+++ b/src/html/template/js_test.go
@@ -138,7 +138,7 @@ func TestJSValEscaper(t *testing.T) {
// Newlines.
{"\r\n\u2028\u2029", `"\r\n\u2028\u2029"`},
// "\v" == "v" on IE 6 so use "\x0b" instead.
- {"\t\x0b", `"\u0009\u000b"`},
+ {"\t\x0b", `"\t\u000b"`},
{struct{ X, Y int }{1, 2}, `{"X":1,"Y":2}`},
{[]interface{}{}, "[]"},
{[]interface{}{42, "foo", nil}, `[42,"foo",null]`},