diff --git a/spec/Articus/DataTransfer/Validator/SerializableValue.spec.php b/spec/Articus/DataTransfer/Validator/SerializableValue.spec.php
index 53df674..ee9dca6 100644
--- a/spec/Articus/DataTransfer/Validator/SerializableValue.spec.php
+++ b/spec/Articus/DataTransfer/Validator/SerializableValue.spec.php
@@ -33,6 +33,20 @@
 			expect($validator->validate([]))->toBe($error);
 			expect($validator->validate(new stdClass()))->toBe($error);
 		});
+		it('denies invalid string', function ()
+		{
+			$data = 'some data';
+			$dataError = ['aaa' => 111];
+			$error = [DT\Validator\SerializableValue::INVALID_INNER => $dataError];
+			$exception = new DT\Exception\InvalidData($dataError);
+			$valueValidator = mock(DT\Validator\ValidatorInterface::class);
+			$unserializer = mock(Example\InvokableInterface::class);
+
+			$unserializer->shouldReceive('__invoke')->with($data)->andThrow($exception)->once();
+
+			$validator = new DT\Validator\SerializableValue($valueValidator, $unserializer);
+			expect($validator->validate($data))->toBe($error);
+		});
 		it('denies string with invalid serialized value', function ()
 		{
 			$data = 'some data';
diff --git a/src/Articus/DataTransfer/Validator/SerializableValue.php b/src/Articus/DataTransfer/Validator/SerializableValue.php
index e5e9171..65b7cba 100644
--- a/src/Articus/DataTransfer/Validator/SerializableValue.php
+++ b/src/Articus/DataTransfer/Validator/SerializableValue.php
@@ -3,6 +3,7 @@
 
 namespace Articus\DataTransfer\Validator;
 
+use Articus\DataTransfer\Exception;
 use function is_string;
 
 /**
@@ -44,11 +45,18 @@ public function validate($data): array
 		{
 			if (is_string($data))
 			{
-				$value = ($this->unserializer)($data);
-				$valueViolations = $this->valueValidator->validate($value);
-				if (!empty($valueViolations))
+				try
 				{
-					$result[self::INVALID_INNER] = $valueViolations;
+					$value = ($this->unserializer)($data);
+					$valueViolations = $this->valueValidator->validate($value);
+					if (!empty($valueViolations))
+					{
+						$result[self::INVALID_INNER] = $valueViolations;
+					}
+				}
+				catch (Exception\InvalidData $e)
+				{
+					$result[self::INVALID_INNER] = $e->getViolations();
 				}
 			}
 			else