diff --git a/app/models/spree/stock_item.rb b/app/models/spree/stock_item.rb
index 29ec2401fa..5c9f390567 100644
--- a/app/models/spree/stock_item.rb
+++ b/app/models/spree/stock_item.rb
@@ -31,7 +31,7 @@ module Spree
     end
 
     def in_stock?
-      count_on_hand > 0
+      count_on_hand.positive?
     end
 
     # Tells whether it's available to be included in a shipment