diff --git a/src/Type/Types/Exception/ForbiddenMixedType.php b/src/Type/Types/Exception/ForbiddenMixedType.php
index 6b22e53c..c33bc8ba 100644
--- a/src/Type/Types/Exception/ForbiddenMixedType.php
+++ b/src/Type/Types/Exception/ForbiddenMixedType.php
@@ -4,9 +4,10 @@
 
 namespace CuyZ\Valinor\Type\Types\Exception;
 
+use CuyZ\Valinor\Type\Parser\Exception\InvalidType;
 use LogicException;
 
-final class ForbiddenMixedType extends LogicException
+final class ForbiddenMixedType extends LogicException implements InvalidType
 {
     public function __construct()
     {