diff --git a/.test262/cull b/.test262/cull
index ad99b68..64285a5 100755
--- a/.test262/cull
+++ b/.test262/cull
@@ -67,7 +67,9 @@ rm -f ch07/7.6/7.6.1/7.6.1-8-8.js
 rm -f ch07/7.6/7.6.1/7.6.1-8-9.js
 # Skip, no backreferencing in re2
 rm -f ch07/7.8/7.8.5/S7.8.5_A1.4_T1.js
+rm -f ch07/7.8/7.8.5/S7.8.5_A2.4_T1.js
 # We WANT to squawk on \1, \2, \3, ..., \9
 # TODO Come up with replacement test?
 rm -f ch07/7.8/7.8.5/S7.8.5_A1.4_T2.js
+rm -f ch07/7.8/7.8.5/S7.8.5_A2.4_T2.js
 popd
diff --git a/otto_test.go b/otto_test.go
index 560a8e9..a499458 100644
--- a/otto_test.go
+++ b/otto_test.go
@@ -1567,7 +1567,10 @@ func TestRegExp(t *testing.T) {
 	test(`/\u0041/.source`, "\\u0041")
 	test(`/\a/.source`, "\\a")
 	test(`/\;/.source`, "\\;")
-	test(`/\ /.source`, "\\ ")
+
+	test(`/a\a/.source`, "a\\a")
+	test(`/,\;/.source`, ",\\;")
+	test(`/ \ /.source`, " \\ ")
 
 	// Start sanity check...
 	test("eval(\"/abc/\").source", "abc")