diff --git a/src/Types/AbstractList.php b/src/Types/AbstractList.php
index ee626604..b9faab26 100644
--- a/src/Types/AbstractList.php
+++ b/src/Types/AbstractList.php
@@ -82,7 +82,7 @@ public function __toString()
         }
 
         if ($this->valueType instanceof Mixed_) {
-            return 'array';
+            return 'mixed[]';
         }
 
         if ($this->valueType instanceof Compound) {