diff --git a/src/Model/Search/Modifier/Filter/FieldType/MultiSelectFilter.php b/src/Model/Search/Modifier/Filter/FieldType/MultiSelectFilter.php
index 0a1d129d..ee735b00 100644
--- a/src/Model/Search/Modifier/Filter/FieldType/MultiSelectFilter.php
+++ b/src/Model/Search/Modifier/Filter/FieldType/MultiSelectFilter.php
@@ -14,18 +14,16 @@
 namespace Pimcore\Bundle\GenericDataIndexBundle\Model\Search\Modifier\Filter\FieldType;
 
 use Pimcore\Bundle\GenericDataIndexBundle\Model\Search\Modifier\SearchModifierInterface;
-use Pimcore\ValueObject\Collection\ArrayOfStrings;
+use ValueError;
 
 final readonly class MultiSelectFilter implements SearchModifierInterface
 {
-    private ArrayOfStrings $values;
-
     public function __construct(
         private string $field,
-        array $values,
+        private array $values,
         private bool $enablePqlFieldNameResolution = true,
     ) {
-        $this->values = new ArrayOfStrings($values);
+        $this->validate();
     }
 
     public function getField(): string
@@ -35,11 +33,25 @@ public function getField(): string
 
     public function getValues(): array
     {
-        return $this->values->getValue();
+        return $this->values;
     }
 
     public function isPqlFieldNameResolutionEnabled(): bool
     {
         return $this->enablePqlFieldNameResolution;
     }
+
+    private function validate(): void
+    {
+        foreach ($this->values as $value) {
+            if (!is_string($value) && !is_int($value) && !is_float($value)) {
+                throw new ValueError(
+                    sprintf(
+                        'Provided array must contain only string, int or float values. (%s given)',
+                        gettype($value)
+                    ),
+                );
+            }
+        }
+    }
 }