diff --git a/app/src/main/java/es/verdnatura/presentation/view/feature/ubicador/fragment/UbicadorViewModel.kt b/app/src/main/java/es/verdnatura/presentation/view/feature/ubicador/fragment/UbicadorViewModel.kt
index 0eaf054d..5f98abd1 100644
--- a/app/src/main/java/es/verdnatura/presentation/view/feature/ubicador/fragment/UbicadorViewModel.kt
+++ b/app/src/main/java/es/verdnatura/presentation/view/feature/ubicador/fragment/UbicadorViewModel.kt
@@ -195,8 +195,8 @@ class UbicadorViewModel(val context: Context) : BaseViewModel(context) {
     ) {
         salix.getInfoFromBuyId(
             id = buyFk,
-        ).enqueue(object : SalixCallback<ItemBuy?>(context) {
-            override fun onSuccess(response: Response<ItemBuy?>) {
+        ).enqueue(object : SalixCallback<ItemBuy>(context) {
+            override fun onSuccess(response: Response<ItemBuy>) {
                 itemShelvingUpdateFromBuy(itemShelvingFk, response.body().let { it as ItemBuy })
             }
 
@@ -287,7 +287,7 @@ class UbicadorViewModel(val context: Context) : BaseViewModel(context) {
     ) {
         salix.itemShelvingsUpdate(
             where = JsonObject().apply { addProperty("id", itemShelvingFk) },
-            JsonObject().apply {
+            params = JsonObject().apply {
                 addProperty("itemFk", itemBuy.itemFk)
                 addProperty("buyFk", itemBuy.id)
                 addProperty("grouping", itemBuy.grouping)