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-rw-r--r--test/psych/test_json_tree.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/test/psych/test_json_tree.rb b/test/psych/test_json_tree.rb
index 60f8321e68e..a23fc1ac8f3 100644
--- a/test/psych/test_json_tree.rb
+++ b/test/psych/test_json_tree.rb
@@ -45,7 +45,7 @@ module Psych
def test_list_to_json
list = %w{ one two }
json = Psych.to_json(list)
- assert_match(/]$/, json)
+ assert_match(/\]$/, json)
assert_match(/^\[/, json)
assert_match(/"one"/, json)
assert_match(/"two"/, json)