diff --git a/README.md b/README.md
index 4b20123d..85806843 100644
--- a/README.md
+++ b/README.md
@@ -339,18 +339,25 @@ $ bin/console debug:container --parameters | grep bitbag
 
 ## Testing
 ```bash
-$ composer install
-$ cd tests/Application
-$ APP_ENV=test bin/console doctrine:database:create
-$ APP_ENV=test bin/console doctrine:schema:create
-// run elasticsearch
-$ APP_ENV=test bin/console sylius:fixtures:load
-$ APP_ENV=test bin/console fos:elastica:populate
-$ APP_ENV=test symfony server:run 127.0.0.1:8080 -d
-$ APP_ENV=test bin/console assets:install
-$ open http://localhost:8080
-$ vendor/bin/behat
-$ vendor/bin/phpspec run
+composer install
+cd tests/Application
+APP_ENV=test bin/console doctrine:database:create
+APP_ENV=test bin/console doctrine:schema:create
+# run elasticsearch
+APP_ENV=test bin/console sylius:fixtures:load
+APP_ENV=test bin/console fos:elastica:populate
+# How to get symfony CLI https://symfony.com/download
+# To get working https use `symfony server:ca:install`
+APP_ENV=test symfony server:start --port=8080 --dir=public --daemon
+APP_ENV=test bin/console assets:install public
+# copy config of your choice tests/Application/package.json.~X.Y.Z.dist as tests/Application/package.json
+yarn install
+yarn encore production
+open https://localhost:8080
+cd ../..
+APP_ENV=test vendor/bin/behat
+vendor/bin/phpspec run
+
 ```
 
 # About us
diff --git a/src/PropertyBuilder/ChannelPricingBuilder.php b/src/PropertyBuilder/ChannelPricingBuilder.php
index ab557845..b164460f 100644
--- a/src/PropertyBuilder/ChannelPricingBuilder.php
+++ b/src/PropertyBuilder/ChannelPricingBuilder.php
@@ -35,8 +35,18 @@ function (ProductInterface $product, Document $document): void {
                     return;
                 }
 
+                /** @var array<string, array<int>> $pricesPerChannel */
+                $pricesPerChannel = [];
+
                 /** @var ProductVariantInterface $productVariant */
-                $productVariant = $product->getVariants()->first();
+                foreach ($product->getVariants() as $productVariant) {
+                    foreach ($productVariant->getChannelPricings() as $variantChannelPricing) {
+                        $channelCode = $variantChannelPricing->getChannelCode();
+                        if (null === $channelCode) {
+                            continue;
+                        }
+                        $elasticFieldName = $this->channelPricingNameResolver->resolvePropertyName($channelCode);
+                        $channelPrice = $variantChannelPricing->getPrice();
 
                 foreach ($productVariant->getChannelPricings() as $channelPricing) {
                     /** @var string $channelCode */
@@ -44,8 +54,10 @@ function (ProductInterface $product, Document $document): void {
 
                     $propertyName = $this->channelPricingNameResolver
                         ->resolvePropertyName($channelCode);
-
-                    $document->set($propertyName, $channelPricing->getPrice());
+                }
+                      
+                foreach ($pricesPerChannel as $elasticFieldName => $channelVariantPrices) {
+                    $document->set($elasticFieldName, array_values(array_unique($channelVariantPrices)));
                 }
             }
         );