diff --git a/lib/http/cookie_jar/abstract_saver.rb b/lib/http/cookie_jar/abstract_saver.rb
index 766cc03..71f410a 100644
--- a/lib/http/cookie_jar/abstract_saver.rb
+++ b/lib/http/cookie_jar/abstract_saver.rb
@@ -37,7 +37,7 @@ class HTTP::CookieJar::AbstractSaver
     # Initializes each instance variable of the same name as option
     # keyword.
     default_options.each_pair { |key, default|
-      instance_variable_set("@#{key}", options.key?(key) ? options[key] : default)
+      instance_variable_set("@#{key}", options.fetch(key, default))
     }
   end
 
diff --git a/lib/http/cookie_jar/abstract_store.rb b/lib/http/cookie_jar/abstract_store.rb
index 0f45690..395cad9 100644
--- a/lib/http/cookie_jar/abstract_store.rb
+++ b/lib/http/cookie_jar/abstract_store.rb
@@ -41,7 +41,7 @@ class HTTP::CookieJar::AbstractStore
     # Initializes each instance variable of the same name as option
     # keyword.
     default_options.each_pair { |key, default|
-      instance_variable_set("@#{key}", options.key?(key) ? options[key] : default)
+      instance_variable_set("@#{key}", options.fetch(key, default))
     }
   end