diff --git a/code/app/Booking.php b/code/app/Booking.php
index 6c605033..26181b97 100644
--- a/code/app/Booking.php
+++ b/code/app/Booking.php
@@ -374,7 +374,19 @@ public function getDeliveredTaxedAttribute()
     public function getProductsWithFriendsAttribute()
     {
         return $this->innerCache('friends_products', function($obj) {
-            $products = $this->products;
+            /*
+                Qui devo fare una copia di $this->products anziché usarlo
+                direttamente, altrimenti finisco con l'alterare l'elenco stesso
+                dei prodotti relazionati alla prenotazione aggiungendoci anche
+                quelli degli amici con effetti poco graditi (e.g. in fase di
+                gestione della consegna, altero l'entità del prodotto dell'amico
+                anziché quello della prenotazione primaria)
+            */
+            $products = new Collection();
+            foreach($this->products as $p) {
+                $products->push($p);
+            }
+
             $friends = $this->friends_bookings;
 
             foreach($friends as $sub) {
diff --git a/code/tests/Services/FastBookingsServiceTest.php b/code/tests/Services/FastBookingsServiceTest.php
index b1a8520c..5b6b235d 100644
--- a/code/tests/Services/FastBookingsServiceTest.php
+++ b/code/tests/Services/FastBookingsServiceTest.php
@@ -15,7 +15,7 @@ public function setUp(): void
         parent::setUp();
 
         $this->sample_order = $this->initOrder(null);
-        $this->userWithBasePerms = $this->createRoleAndUser($this->gas, 'supplier.book');
+        $this->userWithBasePerms = $this->createRoleAndUser($this->gas, 'supplier.book,users.subusers');
     }
 
     /*
@@ -88,6 +88,56 @@ public function testFastShippingFiltered()
         }
     }
 
+    /*
+        Consegne veloci con amici
+    */
+    public function testFastShippingWithFriend()
+    {
+        $friend = $this->createFriend($this->userWithBasePerms);
+        $this->actingAs($friend);
+
+        \Log::debug('qui: ' . $friend->id);
+
+        list($data_friend, $booked_count_friend, $total_friend) = $this->randomQuantities($this->sample_order->products);
+        $data_friend['action'] = 'booked';
+        app()->make('BookingsService')->bookingUpdate($data_friend, $this->sample_order->aggregate, $friend, false);
+
+        $this->nextRound();
+
+        $this->actingAs($this->userWithShippingPerms);
+        $order = app()->make('OrdersService')->show($this->sample_order->id);
+        app()->make('FastBookingsService')->fastShipping($this->userWithShippingPerms, $order->aggregate, null);
+
+        $this->nextRound();
+        $order = app()->make('OrdersService')->show($this->sample_order->id);
+        $this->assertEquals(2, $order->bookings->count());
+        $this->assertEquals(1, count($order->topLevelBookings()));
+
+        foreach($order->bookings as $booking) {
+            $this->assertEquals($booking->status, 'shipped');
+
+            foreach($booking->products as $product) {
+                if ($booking->user->isFriend()) {
+                    $this->assertEquals(0, $product->delivered);
+                }
+                else {
+                    $this->assertEquals(0, $product->quantity);
+                    $this->assertEquals($data_friend[$product->product_id], $product->delivered);
+                }
+            }
+
+            if ($booking->user->isFriend()) {
+                $this->assertNull($booking->payment);
+            }
+            else {
+                $this->assertEquals($booking->payment->amount, $booking->getValue('effective', true));
+            }
+        }
+
+        $summary = $order->aggregate->reduxData();
+        $this->assertTrue($summary->price_delivered > 0);
+    }
+
 	/*
         Consegne veloci su prenotazioni salvate
     */