diff --git a/src/include/class-wc-retailcrm-inventories.php b/src/include/class-wc-retailcrm-inventories.php
index 3e1fa10..894cfc4 100644
--- a/src/include/class-wc-retailcrm-inventories.php
+++ b/src/include/class-wc-retailcrm-inventories.php
@@ -52,8 +52,8 @@ if (!class_exists('WC_Retailcrm_Inventories')) :
                 return null;
             }
 
-		    $page = 1;
-		    $variationProducts = array();
+            $page = 1;
+            $variationProducts = array();
 
             do {
                 /** @var WC_Retailcrm_Response $result */
@@ -70,31 +70,31 @@ if (!class_exists('WC_Retailcrm_Inventories')) :
                     if (isset($offer[$this->bind_field])) {
                         $product = retailcrm_get_wc_product($offer[$this->bind_field], $this->retailcrm_settings);
 
-					    if ($product instanceof WC_Product) {
-						    if ($product->get_type() == 'variation' || $product->get_type() == 'variable') {
-							    $parentId = $product->get_parent_id();
+                        if ($product instanceof WC_Product) {
+                            if ($product->get_type() == 'variation' || $product->get_type() == 'variable') {
+                                $parentId = $product->get_parent_id();
 
-							    if (isset($variationProducts[$parentId])) {
-								    $variationProducts[$parentId] += $offer['quantity'];
-							    } else {
-								    $variationProducts[$parentId] = $offer['quantity'];
-							    }
-						    }
+                                if (isset($variationProducts[$parentId])) {
+                                    $variationProducts[$parentId] += $offer['quantity'];
+                                } else {
+                                    $variationProducts[$parentId] = $offer['quantity'];
+                                }
+                            }
 
-						    $product->set_manage_stock(true);
-						    $product->set_stock_quantity($offer['quantity']);
-						    $success[] = $product->save();
-					    }
-				    }
-			    }
+                            $product->set_manage_stock(true);
+                            $product->set_stock_quantity($offer['quantity']);
+                            $success[] = $product->save();
+                        }
+                    }
+                }
 
-			    foreach ($variationProducts as $id => $quantity) {
-				    $variationProduct = wc_get_product($id);
-				    $variationProduct->set_manage_stock(true);
-				    $variationProduct->set_stock($quantity);
-				    $success[] = $variationProduct->save();
-			    }
-		    } while ($page <= $totalPageCount);
+                foreach ($variationProducts as $id => $quantity) {
+                    $variationProduct = wc_get_product($id);
+                    $variationProduct->set_manage_stock(true);
+                    $variationProduct->set_stock($quantity);
+                    $success[] = $variationProduct->save();
+                }
+            } while ($page <= $totalPageCount);
 
             return $success;
         }