diff --git a/extension.neon b/extension.neon
index 31eb67c..49f2125 100644
--- a/extension.neon
+++ b/extension.neon
@@ -104,7 +104,7 @@ services:
 			- phpstan.broker.dynamicMethodReturnTypeExtension
 
 	-
-		class: PHPStan\Type\Nette\FormContainerUnsafeValuesDynamicReturnTypeExtension
+		class: PHPStan\Type\Nette\FormContainerUntrustedValuesDynamicReturnTypeExtension
 		tags:
 			- phpstan.broker.dynamicMethodReturnTypeExtension
 
diff --git a/src/Type/Nette/FormContainerUnsafeValuesDynamicReturnTypeExtension.php b/src/Type/Nette/FormContainerUntrustedValuesDynamicReturnTypeExtension.php
similarity index 74%
rename from src/Type/Nette/FormContainerUnsafeValuesDynamicReturnTypeExtension.php
rename to src/Type/Nette/FormContainerUntrustedValuesDynamicReturnTypeExtension.php
index d4d3f2b..0619fac 100644
--- a/src/Type/Nette/FormContainerUnsafeValuesDynamicReturnTypeExtension.php
+++ b/src/Type/Nette/FormContainerUntrustedValuesDynamicReturnTypeExtension.php
@@ -13,7 +13,7 @@
 use PHPStan\Type\Type;
 use function count;
 
-class FormContainerUnsafeValuesDynamicReturnTypeExtension implements DynamicMethodReturnTypeExtension
+class FormContainerUntrustedValuesDynamicReturnTypeExtension implements DynamicMethodReturnTypeExtension
 {
 
 	public function getClass(): string
@@ -23,13 +23,13 @@ public function getClass(): string
 
 	public function isMethodSupported(MethodReflection $methodReflection): bool
 	{
-		return $methodReflection->getName() === 'getUnsafeValues';
+		return $methodReflection->getName() === 'getUntrustedValues' || $methodReflection->getName() === 'getUnsafeValues';
 	}
 
 	public function getTypeFromMethodCall(MethodReflection $methodReflection, MethodCall $methodCall, Scope $scope): ?Type
 	{
 		if (count($methodCall->getArgs()) === 0) {
-			return null;
+			return new ObjectType('Nette\Utils\ArrayHash');
 		}
 
 		$arg = $methodCall->getArgs()[0]->value;
@@ -38,6 +38,10 @@ public function getTypeFromMethodCall(MethodReflection $methodReflection, Method
 			return new ObjectType('Nette\Utils\ArrayHash');
 		}
 
+		if ($scopedType->isClassString()->yes()) {
+			return $scopedType->getClassStringObjectType();
+		}
+
 		if (count($scopedType->getConstantStrings()) === 1 && $scopedType->getConstantStrings()[0]->getValue() === 'array') {
 			return new ArrayType(new StringType(), new MixedType());
 		}
diff --git a/tests/Type/Nette/FormContainerUntrustedValuesDynamicReturnTypeExtensionTest.php b/tests/Type/Nette/FormContainerUntrustedValuesDynamicReturnTypeExtensionTest.php
new file mode 100644
index 0000000..41215e6
--- /dev/null
+++ b/tests/Type/Nette/FormContainerUntrustedValuesDynamicReturnTypeExtensionTest.php
@@ -0,0 +1,51 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\Type\Nette;
+
+use Composer\InstalledVersions;
+use OutOfBoundsException;
+use PHPStan\Testing\TypeInferenceTestCase;
+use function class_exists;
+use function version_compare;
+
+final class FormContainerUntrustedValuesDynamicReturnTypeExtensionTest extends TypeInferenceTestCase
+{
+
+	public static function dataFileAsserts(): iterable
+	{
+		try {
+			$formsVersion = class_exists(InstalledVersions::class)
+				? InstalledVersions::getVersion('nette/forms')
+				: null;
+		} catch (OutOfBoundsException $e) {
+			$formsVersion = null;
+		}
+
+		if ($formsVersion === null || version_compare($formsVersion, '3.1.10', '<')) {
+			return;
+		}
+
+		yield from self::gatherAssertTypes(__DIR__ . '/data/FormContainerUntrustedValues.php');
+	}
+
+	/**
+	 * @dataProvider dataFileAsserts
+	 * @param mixed ...$args
+	 */
+	public function testFileAsserts(
+		string $assertType,
+		string $file,
+		...$args
+	): void
+	{
+		$this->assertFileAsserts($assertType, $file, ...$args);
+	}
+
+	public static function getAdditionalConfigFiles(): array
+	{
+		return [
+			__DIR__ . '/phpstan.neon',
+		];
+	}
+
+}
diff --git a/tests/Type/Nette/data/FormContainerUntrustedValues.php b/tests/Type/Nette/data/FormContainerUntrustedValues.php
new file mode 100644
index 0000000..53fcca5
--- /dev/null
+++ b/tests/Type/Nette/data/FormContainerUntrustedValues.php
@@ -0,0 +1,41 @@
+<?php
+
+namespace PHPStan\Type\Nette\Data\FormContainerUntrustedValues;
+
+use Nette\Forms\Form;
+use Nette\Utils\ArrayHash;
+use function PHPStan\Testing\assertType;
+
+class Dto
+{
+	public string $name;
+	public string $value;
+
+	public function __construct(
+		string $name,
+		string $value
+	)
+	{
+		$this->name = $name;
+		$this->name = $value;
+	}
+}
+
+class FormContainerUntrustedValues
+{
+	public function test()
+	{
+		$form = new Form();
+		$form->addText('name');
+		$form->addText('value');
+
+		$dto = $form->getUntrustedValues(Dto::class);
+		$array = $form->getUntrustedValues('array');
+
+		assertType(Dto::class, $dto);
+		assertType('array<string, mixed>', $array);
+
+		assertType(ArrayHash::class, $form->getUntrustedValues());
+		assertType(ArrayHash::class, $form->getUntrustedValues(null));
+	}
+}