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-rw-r--r--activesupport/lib/active_support/core_ext/module/aliasing.rb2
1 files changed, 1 insertions, 1 deletions
diff --git a/activesupport/lib/active_support/core_ext/module/aliasing.rb b/activesupport/lib/active_support/core_ext/module/aliasing.rb
index a4c7e539e3..19a9297aa4 100644
--- a/activesupport/lib/active_support/core_ext/module/aliasing.rb
+++ b/activesupport/lib/active_support/core_ext/module/aliasing.rb
@@ -23,7 +23,7 @@ class Module
def alias_method_chain(target, feature)
# Strip out punctuation on predicates or bang methods since
# e.g. target?_without_feature is not a valid method name.
- aliased_target, punctuation = target.to_s.sub(/([?!])$/, ''), $1
+ aliased_target, punctuation = target.to_s.sub(/([?!=])$/, ''), $1
alias_method "#{aliased_target}_without_#{feature}#{punctuation}", target
alias_method target, "#{aliased_target}_with_#{feature}#{punctuation}"
end