diff --git a/activerecord/lib/active_record/type/integer.rb b/activerecord/lib/active_record/type/integer.rb
index d69e5b3f28..36bbd9cd5e 100644
--- a/activerecord/lib/active_record/type/integer.rb
+++ b/activerecord/lib/active_record/type/integer.rb
@@ -14,6 +14,11 @@ module ActiveRecord
 
       alias type_cast_for_database type_cast
 
+      def type_cast_from_database(value)
+        return if value.nil?
+        value.to_i
+      end
+
       protected
 
       attr_reader :range