1 files changed, 11 insertions, 0 deletions
diff --git a/activemodel/lib/active_model/validations/numericality.rb b/activemodel/lib/active_model/validations/numericality.rb
index 13d6a966c0..4ba4e3e8f7 100644
--- a/activemodel/lib/active_model/validations/numericality.rb
+++ b/activemodel/lib/active_model/validations/numericality.rb
@@ -23,6 +23,10 @@ module ActiveModel
         raw_value = record.send(before_type_cast) if record.respond_to?(before_type_cast)
         raw_value ||= value
 
+        if record_attribute_changed_in_place?(record, attr_name)
+          raw_value = value
+        end
+
         return if options[:allow_nil] && raw_value.nil?
 
         unless value = parse_raw_value_as_a_number(raw_value)
@@ -86,6 +90,13 @@ module ActiveModel
           options[:only_integer]
         end
       end
+
+      private
+
+      def record_attribute_changed_in_place?(record, attr_name)
+        record.respond_to?(:attribute_changed_in_place?) &&
+          record.attribute_changed_in_place?(attr_name.to_s)
+      end
     end
 
     module HelperMethods