diff --git a/packages/core/src/DiscountTypes/BuyXGetY.php b/packages/core/src/DiscountTypes/BuyXGetY.php
index 32ceb017cd..d1d40606a3 100644
--- a/packages/core/src/DiscountTypes/BuyXGetY.php
+++ b/packages/core/src/DiscountTypes/BuyXGetY.php
@@ -4,6 +4,7 @@
 
 use Illuminate\Pipeline\Pipeline;
 use Illuminate\Support\Collection;
+use Lunar\Base\Purchasable;
 use Lunar\Base\ValueObjects\Cart\DiscountBreakdown;
 use Lunar\Base\ValueObjects\Cart\DiscountBreakdownLine;
 use Lunar\DataTypes\Price;
@@ -251,6 +252,8 @@ private function processAutomaticRewards(CartContract $cart, int $remainingRewar
                     $product = $selectedRewardItem->products()->inRandomOrder()->first();
                     $purchasable = $product?->variants()->first();
                     $selectedRewardItem = $product;
+                } elseif ($selectedRewardItem instanceof Purchasable) {
+                    $purchasable = $selectedRewardItem;
                 } else {
                     $purchasable = $selectedRewardItem->variants->first();
                 }
diff --git a/tests/core/Unit/DiscountTypes/BuyXGetYTest.php b/tests/core/Unit/DiscountTypes/BuyXGetYTest.php
index 68db8e0f0d..31a4b67da4 100644
--- a/tests/core/Unit/DiscountTypes/BuyXGetYTest.php
+++ b/tests/core/Unit/DiscountTypes/BuyXGetYTest.php
@@ -1548,3 +1548,95 @@
     // productC (not in collection) should not be discounted
     expect($lineC->discountTotal->value)->toEqual(0);
 });
+
+test('can add an eligible variant reward when not in cart', function () {
+    $customerGroup = CustomerGroup::factory()->create([
+        'default' => true,
+    ]);
+
+    $channel = Channel::factory()->create([
+        'default' => true,
+    ]);
+
+    $currency = Currency::factory()->create([
+        'code' => 'GBP',
+    ]);
+
+    $cart = Cart::factory()->create([
+        'channel_id' => $channel->id,
+        'currency_id' => $currency->id,
+    ]);
+
+    $productA = Product::factory()->create();
+    $productB = Product::factory()->create();
+
+    $purchasableA = ProductVariant::factory()->create([
+        'product_id' => $productA->id,
+    ]);
+    $purchasableB = ProductVariant::factory()->create([
+        'product_id' => $productB->id,
+    ]);
+
+    Price::factory()->create([
+        'price' => 1000, // £10
+        'min_quantity' => 1,
+        'currency_id' => $currency->id,
+        'priceable_type' => $purchasableA->getMorphClass(),
+        'priceable_id' => $purchasableA->id,
+    ]);
+
+    Price::factory()->create([
+        'price' => 1000, // £10
+        'min_quantity' => 1,
+        'currency_id' => $currency->id,
+        'priceable_type' => $purchasableB->getMorphClass(),
+        'priceable_id' => $purchasableB->id,
+    ]);
+
+    $cart->lines()->create([
+        'purchasable_type' => $purchasableA->getMorphClass(),
+        'purchasable_id' => $purchasableA->id,
+        'quantity' => 1,
+    ]);
+
+    $discount = Discount::factory()->create([
+        'type' => BuyXGetY::class,
+        'name' => 'Test Variant Reward Discount',
+        'data' => [
+            'min_qty' => 1,
+            'reward_qty' => 2,
+            'automatically_add_rewards' => true,
+        ],
+    ]);
+
+    $discount->customerGroups()->sync([
+        $customerGroup->id => [
+            'enabled' => true,
+            'starts_at' => now(),
+        ],
+    ]);
+
+    $discount->channels()->sync([
+        $channel->id => [
+            'enabled' => true,
+            'starts_at' => now()->subHour(),
+        ],
+    ]);
+
+    $discount->discountableConditions()->create([
+        'discountable_type' => $productA->getMorphClass(),
+        'discountable_id' => $productA->id,
+    ]);
+
+    // The reward is a variant, which the admin allows selecting.
+    $discount->discountableRewards()->create([
+        'discountable_type' => $purchasableB->getMorphClass(),
+        'discountable_id' => $purchasableB->id,
+        'type' => 'reward',
+    ]);
+
+    $cart = $cart->calculate();
+
+    $this->assertEquals(1200, $cart->total->value);
+    $this->assertCount(1, $cart->freeItems);
+});