diff --git a/src/module-elasticsuite-catalog-rule/Model/Rule/Condition/Product/SpecialAttribute/IsDiscount.php b/src/module-elasticsuite-catalog-rule/Model/Rule/Condition/Product/SpecialAttribute/IsDiscount.php
index 553ef00a9..921e03d8d 100644
--- a/src/module-elasticsuite-catalog-rule/Model/Rule/Condition/Product/SpecialAttribute/IsDiscount.php
+++ b/src/module-elasticsuite-catalog-rule/Model/Rule/Condition/Product/SpecialAttribute/IsDiscount.php
@@ -8,12 +8,13 @@
  * @category  Smile
  * @package   Smile\ElasticsuiteCatalogRule
  * @author    Romain Ruaud <romain.ruaud@smile.fr>
- * @copyright 2020 Smile
+ * @copyright 2021 Smile
  * @license   Open Software License ("OSL") v. 3.0
  */
 namespace Smile\ElasticsuiteCatalogRule\Model\Rule\Condition\Product\SpecialAttribute;
 
 use Smile\ElasticsuiteCatalogRule\Api\Rule\Condition\Product\SpecialAttributeInterface;
+use Smile\ElasticsuiteCore\Search\Request\QueryInterface;
 
 /**
  * Special "is_discount" attribute class.
@@ -29,14 +30,31 @@ class IsDiscount implements SpecialAttributeInterface
      */
     private $booleanSource;
 
+    /**
+     * @var \Magento\Customer\Model\Session
+     */
+    private $customerSession;
+
+    /**
+     * @var \Smile\ElasticsuiteCore\Search\Request\Query\QueryFactory
+     */
+    private $queryFactory;
+
     /**
      * IsDiscount constructor.
      *
-     * @param \Magento\Config\Model\Config\Source\Yesno $booleanSource Boolean Source
+     * @param \Magento\Config\Model\Config\Source\Yesno                 $booleanSource   Boolean Source.
+     * @param \Magento\Customer\Model\Session                           $customerSession Customer session.
+     * @param \Smile\ElasticsuiteCore\Search\Request\Query\QueryFactory $queryFactory    Query factory.
      */
-    public function __construct(\Magento\Config\Model\Config\Source\Yesno $booleanSource)
-    {
-        $this->booleanSource = $booleanSource;
+    public function __construct(
+        \Magento\Config\Model\Config\Source\Yesno $booleanSource,
+        \Magento\Customer\Model\Session $customerSession,
+        \Smile\ElasticsuiteCore\Search\Request\Query\QueryFactory $queryFactory
+    ) {
+        $this->booleanSource    = $booleanSource;
+        $this->customerSession  = $customerSession;
+        $this->queryFactory     = $queryFactory;
     }
 
     /**
@@ -52,8 +70,31 @@ public function getAttributeCode()
      */
     public function getSearchQuery()
     {
-        // Query can be computed directly with the attribute code and value. (price.is_discount = true).
-        return null;
+        /*
+         * Query cannot be computed directly with the attribute code and value (price.is_discount = true).
+         * The customer group needs to be taken into account because the discounted price could be a tiers price.
+         */
+        return $this->queryFactory->create(
+            QueryInterface::TYPE_NESTED,
+            [
+                'path' => 'price',
+                'query' => $this->queryFactory->create(
+                    QueryInterface::TYPE_BOOL,
+                    [
+                        'must' => [
+                            $this->queryFactory->create(
+                                QueryInterface::TYPE_TERM,
+                                ['field' => 'price.customer_group_id', 'value' => $this->customerSession->getCustomerGroupId()]
+                            ),
+                            $this->queryFactory->create(
+                                QueryInterface::TYPE_TERM,
+                                ['field' => 'price.is_discount', 'value' => true]
+                            ),
+                        ],
+                    ]
+                )
+            ]
+        );
     }
 
     /**
diff --git a/src/module-elasticsuite-catalog-rule/etc/di.xml b/src/module-elasticsuite-catalog-rule/etc/di.xml
index 0f28a4857..8c2452f07 100644
--- a/src/module-elasticsuite-catalog-rule/etc/di.xml
+++ b/src/module-elasticsuite-catalog-rule/etc/di.xml
@@ -11,7 +11,7 @@
  * @category  Smile
  * @package   Smile\ElasticsuiteCatalogRule
  * @author    Romain Ruaud <romain.ruaud@smile.fr>
- * @copyright 2020 Smile
+ * @copyright 2021 Smile
  * @license   Open Software License ("OSL") v. 3.0
  */
  -->
@@ -29,4 +29,11 @@
     </type>
 
     <preference for="Smile\ElasticsuiteCatalogRule\Api\Data\ConditionInterface" type="Smile\ElasticsuiteCatalogRule\Model\Data\Condition"/>
+
+    <!-- Session proxies -->
+    <type name="Smile\ElasticsuiteCatalogRule\Model\Rule\Condition\Product\SpecialAttribute\IsDiscount">
+        <arguments>
+            <argument name="customerSession" xsi:type="object">Magento\Customer\Model\Session\Proxy</argument>
+        </arguments>
+    </type>
 </config>
diff --git a/src/module-elasticsuite-virtual-category/Helper/Rule.php b/src/module-elasticsuite-virtual-category/Helper/Rule.php
index ad6445863..19cce20f1 100644
--- a/src/module-elasticsuite-virtual-category/Helper/Rule.php
+++ b/src/module-elasticsuite-virtual-category/Helper/Rule.php
@@ -8,7 +8,7 @@
  * @category  Smile
  * @package   Smile\ElasticsuiteVirtualCategory
  * @author    Romain Ruaud <romain.ruaud@smile.fr>
- * @copyright 2020 Smile
+ * @copyright 2021 Smile
  * @license   Open Software License ("OSL") v. 3.0
  */
 
@@ -30,14 +30,23 @@ class Rule
      */
     private $cache;
 
+    /**
+     * @var \Magento\Customer\Model\Session
+     */
+    private $customerSession;
+
     /**
      * Provider constructor.
      *
-     * @param \Magento\Framework\App\CacheInterface $cache Cache
+     * @param \Magento\Framework\App\CacheInterface $cache           Cache.
+     * @param \Magento\Customer\Model\Session       $customerSession Customer session.
      */
-    public function __construct(\Magento\Framework\App\CacheInterface $cache)
-    {
+    public function __construct(
+        \Magento\Framework\App\CacheInterface $cache,
+        \Magento\Customer\Model\Session $customerSession
+    ) {
         $this->cache = $cache;
+        $this->customerSession = $customerSession;
     }
 
     /**
@@ -52,7 +61,7 @@ public function __construct(\Magento\Framework\App\CacheInterface $cache)
     public function loadUsingCache(CategoryInterface $category, $callback)
     {
         \Magento\Framework\Profiler::start('ES:Virtual Rule ' . $callback);
-        $cacheKey = implode('|', [$callback, $category->getStoreId(), $category->getId()]);
+        $cacheKey = implode('|', [$callback, $category->getStoreId(), $category->getId(), $this->customerSession->getCustomerGroupId()]);
 
         $data = $this->cache->load($cacheKey);
 
diff --git a/src/module-elasticsuite-virtual-category/etc/di.xml b/src/module-elasticsuite-virtual-category/etc/di.xml
index cf4232e88..b158be99f 100644
--- a/src/module-elasticsuite-virtual-category/etc/di.xml
+++ b/src/module-elasticsuite-virtual-category/etc/di.xml
@@ -11,7 +11,7 @@
  * @category  Smile
  * @package   Smile\ElasticsuiteVirtualCategory
  * @author    Aurelien FOUCRET <aurelien.foucret@smile.fr>
- * @copyright 2020 Smile
+ * @copyright 2021 Smile
  * @license   Open Software License ("OSL") v. 3.0
  */
  -->
@@ -205,4 +205,11 @@
     <preference for="Smile\ElasticsuiteCatalog\Model\Category\Filter\Provider" type="Smile\ElasticsuiteVirtualCategory\Model\Category\Filter\Provider"/>
 
     <preference for="Smile\ElasticsuiteVirtualCategory\Api\Data\VirtualRuleInterface" type="Smile\ElasticsuiteVirtualCategory\Model\Rule"/>
+
+    <!-- Session proxies -->
+    <type name="Smile\ElasticsuiteVirtualCategory\Helper\Rule">
+        <arguments>
+            <argument name="customerSession" xsi:type="object">Magento\Customer\Model\Session\Proxy</argument>
+        </arguments>
+    </type>
 </config>