diff --git a/lib/money-rails/configuration.rb b/lib/money-rails/configuration.rb
index 347ae4fc8..34fa5bb5e 100644
--- a/lib/money-rails/configuration.rb
+++ b/lib/money-rails/configuration.rb
@@ -35,7 +35,7 @@ def register_currency=(currency_options)
     end
 
     def set_currency_column_for_default_currency!
-      iso_code = default_currency&.iso_code
+      iso_code = default_currency && default_currency.iso_code
       currency_column.merge! default: iso_code
     end