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-rw-r--r--activerecord/lib/active_record/attribute_methods/read.rb2
-rw-r--r--activerecord/lib/active_record/attribute_methods/write.rb2
2 files changed, 2 insertions, 2 deletions
diff --git a/activerecord/lib/active_record/attribute_methods/read.rb b/activerecord/lib/active_record/attribute_methods/read.rb
index 4077250583..14f700b6a9 100644
--- a/activerecord/lib/active_record/attribute_methods/read.rb
+++ b/activerecord/lib/active_record/attribute_methods/read.rb
@@ -27,7 +27,7 @@ module ActiveRecord
# Making it frozen means that it doesn't get duped when used to
# key the @attributes in read_attribute.
def define_method_attribute(name)
- safe_name = name.unpack("h*".freeze).first
+ safe_name = name.unpack1("h*".freeze)
temp_method = "__temp__#{safe_name}"
ActiveRecord::AttributeMethods::AttrNames.set_name_cache safe_name, name
diff --git a/activerecord/lib/active_record/attribute_methods/write.rb b/activerecord/lib/active_record/attribute_methods/write.rb
index bb0ec6a8c3..c7521422bb 100644
--- a/activerecord/lib/active_record/attribute_methods/write.rb
+++ b/activerecord/lib/active_record/attribute_methods/write.rb
@@ -13,7 +13,7 @@ module ActiveRecord
private
def define_method_attribute=(name)
- safe_name = name.unpack("h*".freeze).first
+ safe_name = name.unpack1("h*".freeze)
ActiveRecord::AttributeMethods::AttrNames.set_name_cache safe_name, name
sync_with_transaction_state = "sync_with_transaction_state" if name == primary_key