diff --git a/Model/Api/Builder/Order.php b/Model/Api/Builder/Order.php
index ed871d1..4d0ef45 100755
--- a/Model/Api/Builder/Order.php
+++ b/Model/Api/Builder/Order.php
@@ -388,7 +388,7 @@ private function getProductDimemension(Item $item)
         $dimensionArray = [];
         $product = $item->getProduct();
 
-        switch ($this->scopeConfig->getDimensionsMetric()) {
+        switch ($this->config->getDimensionsMetric()) {
             case DimensionsMetric::METRIC_MM:
                 $k = 0.1;
                 break;