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-rw-r--r--activesupport/lib/active_support/json/variable.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/json/variable.rb b/activesupport/lib/active_support/json/variable.rb
index 0af98f0968..7fd23b0a9e 100644
--- a/activesupport/lib/active_support/json/variable.rb
+++ b/activesupport/lib/active_support/json/variable.rb
@@ -2,7 +2,7 @@ module ActiveSupport
module JSON
# A string that returns itself as its JSON-encoded form.
class Variable < String
- def to_json
+ def to_json(options=nil)
self
end
end