1 files changed, 6 insertions, 1 deletions
diff --git a/actionview/test/template/erb_util_test.rb b/actionview/test/template/erb_util_test.rb
index 0a16364ed3..4412ea37fa 100644
--- a/actionview/test/template/erb_util_test.rb
+++ b/actionview/test/template/erb_util_test.rb
@@ -51,7 +51,12 @@ class ErbUtilTest < ActiveSupport::TestCase
 
   def test_json_escape_does_not_alter_json_string_meaning
     JSON_ESCAPE_TEST_CASES.each do |(raw, _)|
-      assert_equal ActiveSupport::JSON.decode(raw), ActiveSupport::JSON.decode(json_escape(raw))
+      expected = ActiveSupport::JSON.decode(raw)
+      if expected.nil?
+        assert_nil ActiveSupport::JSON.decode(json_escape(raw))
+      else
+        assert_equal expected, ActiveSupport::JSON.decode(json_escape(raw))
+      end
     end
   end