diff --git a/lib/replicate/active_record.rb b/lib/replicate/active_record.rb
index 0889fdc..f37c49c 100644
--- a/lib/replicate/active_record.rb
+++ b/lib/replicate/active_record.rb
@@ -269,7 +269,11 @@ def replicate_find_existing_record(attributes)
         replicate_natural_key.each do |attribute_name|
           conditions[attribute_name] = attributes[attribute_name.to_s]
         end
-        find(:first, :conditions => conditions)
+        if ::ActiveRecord::VERSION::MAJOR >= 4
+          where(conditions).first
+        else
+          find(:first, :conditions => conditions)
+        end
       end
 
       # Update an AR object's attributes and persist to the database without