diff --git a/src/Model/Filter/Store/ProductFilterType.php b/src/Model/Filter/Store/ProductFilterType.php
index f25f046..6a1fcd8 100644
--- a/src/Model/Filter/Store/ProductFilterType.php
+++ b/src/Model/Filter/Store/ProductFilterType.php
@@ -37,81 +37,81 @@ class ProductFilterType
     public $name;
 
     /**
-     * @var string
+     * @var int
      *
-     * @Form\Type("string")
+     * @Form\Type("int")
      * @Form\SerializedName("minPrice")
      */
     public $minPrice;
 
     /**
-     * @var string
+     * @var int
      *
-     * @Form\Type("string")
+     * @Form\Type("int")
      * @Form\SerializedName("maxPrice")
      */
     public $maxPrice;
 
     /**
-     * @var string
+     * @var int
      *
-     * @Form\Type("string")
+     * @Form\Type("int")
      * @Form\SerializedName("minPurchasePrice")
      */
     public $minPurchasePrice;
 
     /**
-     * @var string
+     * @var int
      *
-     * @Form\Type("string")
+     * @Form\Type("int")
      * @Form\SerializedName("maxPurchasePrice")
      */
     public $maxPurchasePrice;
 
     /**
-     * @var string
+     * @var int
      *
-     * @Form\Type("string")
+     * @Form\Type("int")
      * @Form\SerializedName("minQuantity")
      */
     public $minQuantity;
 
     /**
-     * @var string
+     * @var int
      *
-     * @Form\Type("string")
+     * @Form\Type("int")
      * @Form\SerializedName("maxQuantity")
      */
     public $maxQuantity;
 
     /**
-     * @var string
+     * @var int
      *
-     * @Form\Type("string")
+     * @Form\Type("int")
      * @Form\SerializedName("popular")
      */
     public $popular;
 
     /**
-     * @var string
+     * @var int
      *
-     * @Form\Type("string")
+     * @Form\Type("int")
      * @Form\SerializedName("stock")
      */
     public $stock;
 
     /**
-     * @var string
+     * @var int
      *
-     * @Form\Type("string")
+     * @Form\Type("int")
      * @Form\SerializedName("novelty")
      */
     public $novelty;
 
     /**
-     * @var string
+     * @var int
      *
-     * @Form\Type("string")
+     * @Form\Type("int")
      * @Form\SerializedName("recommended")
      */
     public $recommended;
@@ -165,9 +165,9 @@ class ProductFilterType
     public $offerIds;
 
     /**
-     * @var string
+     * @var string[]
      *
-     * @Form\Type("string")
+     * @Form\Type("string[]")
      * @Form\SerializedName("properties")
      */
     public $properties;
diff --git a/tests/src/ResourceGroup/StoreTest.php b/tests/src/ResourceGroup/StoreTest.php
index 82b8dca..5c31e6a 100644
--- a/tests/src/ResourceGroup/StoreTest.php
+++ b/tests/src/ResourceGroup/StoreTest.php
@@ -446,7 +446,7 @@ EOF;
         $request->filter            = new ProductFilterType();
         $request->filter->active    = NumericBoolean::TRUE;
         $request->filter->priceType = 'base';
-        $request->filter->maxPrice  = '10000';
+        $request->filter->maxPrice  = 10000;
         $request->filter->name      = 'Test Product';
 
         $mock = static::createApiMockBuilder('store/products');
@@ -548,7 +548,7 @@ EOF;
         $request->filter                 = new ProductFilterType();
         $request->filter->active         = NumericBoolean::TRUE;
         $request->filter->priceType      = 'base';
-        $request->filter->maxPrice       = '10000';
+        $request->filter->maxPrice       = 10000;
         $request->filter->name           = 'Test Product';
         $request->filter->sinceId        = 828272;
         $request->filter->sinceUpdatedAt = DateTimeTransformer::create('2020-01-01 00:00:00');