1 files changed, 6 insertions, 0 deletions
diff --git a/activemodel/lib/active_model/type.rb b/activemodel/lib/active_model/type.rb
index 095801d8f0..39324999c9 100644
--- a/activemodel/lib/active_model/type.rb
+++ b/activemodel/lib/active_model/type.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "active_model/type/helpers"
 require "active_model/type/value"
 
@@ -30,6 +32,10 @@ module ActiveModel
       def lookup(*args, **kwargs) # :nodoc:
         registry.lookup(*args, **kwargs)
       end
+
+      def default_value # :nodoc:
+        @default_value ||= Value.new
+      end
     end
 
     register(:big_integer, Type::BigInteger)