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-rw-r--r--activesupport/lib/active_support/core_ext/hash/except.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/core_ext/hash/except.rb b/activesupport/lib/active_support/core_ext/hash/except.rb
index f26d01553d..949976d741 100644
--- a/activesupport/lib/active_support/core_ext/hash/except.rb
+++ b/activesupport/lib/active_support/core_ext/hash/except.rb
@@ -10,7 +10,7 @@ module ActiveSupport #:nodoc:
module Except
# Returns a new hash without the given keys.
def except(*keys)
- clone.except!(*keys)
+ dup.except!(*keys)
end
# Replaces the hash without the given keys.