diff --git a/ereuse_devicehub/resources/device/models.py b/ereuse_devicehub/resources/device/models.py
index 6fa60182..566d7d85 100644
--- a/ereuse_devicehub/resources/device/models.py
+++ b/ereuse_devicehub/resources/device/models.py
@@ -778,6 +778,8 @@ class Device(Thing):
 
     def change_owner(self, new_user):
         """util for change the owner one device"""
+        if not new_user:
+            return
         self.owner = new_user
         if hasattr(self, 'components'):
             for c in self.components:
diff --git a/ereuse_devicehub/static/js/api.js b/ereuse_devicehub/static/js/api.js
index 552544d2..4baa1d78 100644
--- a/ereuse_devicehub/static/js/api.js
+++ b/ereuse_devicehub/static/js/api.js
@@ -4,7 +4,7 @@ const Api = {
      * @returns get lots
      */
     async get_lots() {
-        const request = await this.doRequest(`${API_URLS.lots}?type=temporary`, "GET", null);
+        const request = await this.doRequest(`${API_URLS.lots}`, "GET", null);
         if (request != undefined) return request.items;
         throw request;
     },
diff --git a/ereuse_devicehub/static/js/main_inventory.build.js b/ereuse_devicehub/static/js/main_inventory.build.js
index 546f398c..0032f649 100644
--- a/ereuse_devicehub/static/js/main_inventory.build.js
+++ b/ereuse_devicehub/static/js/main_inventory.build.js
@@ -665,7 +665,7 @@ async function processSelectedDevices() {
     });
 
     listHTML.html("");
-    const lot_temporary = lots.filter(lot => !lot.transfer);
+    const lot_temporary = lots.filter(lot => !lot.transfer && !lot.trade);
     appendMenu(lot_temporary, listHTML, templateLot, selectedDevices, actions, "Temporary");
 
     const lot_incoming = lots.filter(lot => lot.transfer && lot.transfer == "Incoming");
diff --git a/ereuse_devicehub/static/js/main_inventory.js b/ereuse_devicehub/static/js/main_inventory.js
index dc0a09a7..f5c50241 100644
--- a/ereuse_devicehub/static/js/main_inventory.js
+++ b/ereuse_devicehub/static/js/main_inventory.js
@@ -627,7 +627,7 @@ async function processSelectedDevices() {
         })
 
         listHTML.html("");
-        const lot_temporary = lots.filter(lot => !lot.transfer);
+        const lot_temporary = lots.filter(lot => !lot.transfer && !lot.trade);
         appendMenu(lot_temporary, listHTML, templateLot, selectedDevices, actions, "Temporary");
 
         const lot_incoming = lots.filter(lot => lot.transfer && lot.transfer == "Incoming");