diff --git a/app/assets/javascripts/admin/bulk_order_management.js.coffee b/app/assets/javascripts/admin/bulk_order_management.js.coffee
index a20cdd27e7..a52b770831 100644
--- a/app/assets/javascripts/admin/bulk_order_management.js.coffee
+++ b/app/assets/javascripts/admin/bulk_order_management.js.coffee
@@ -165,6 +165,8 @@ angular.module("ofn.admin").controller "AdminOrderMgmtCtrl", [
       $scope.quickSearch = ""
 
     $scope.weightAdjustedPrice = (lineItem, oldValue) ->
+      if oldValue <= 0
+        oldValue = lineItem.units_variant.unit_value
       if lineItem.unit_value <= 0
         lineItem.unit_value = lineItem.units_variant.unit_value
       lineItem.price = lineItem.price * lineItem.unit_value / oldValue