diff --git a/Parser/JmsMetadataParser.php b/Parser/JmsMetadataParser.php
index c9fef78..a8009dc 100644
--- a/Parser/JmsMetadataParser.php
+++ b/Parser/JmsMetadataParser.php
@@ -30,6 +30,8 @@ class JmsMetadataParser implements ParserInterface
      */
     private $commentExtractor;
 
+    private $parsedClasses = array();
+
     /**
      * Constructor, requires JMS Metadata factory
      */
@@ -82,12 +84,19 @@ class JmsMetadataParser implements ParserInterface
                     'readonly' => $item->readOnly
                 );
 
+                // if class already parsed, continue, to avoid infinite recursion
+                if (in_array($dataType['class'], $this->parsedClasses)) {
+                    continue;
+                }
+
                 //check for nested classes with JMS metadata
                 if ($dataType['class'] && null !== $this->factory->getMetadataForClass($dataType['class'])) {
+                    $this->parsedClasses[] = $dataType['class'];
                     $params[$name]['children'] = $this->parse($dataType['class']);
                 }
             }
         }
+        $this->parsedClasses = array();
 
         return $params;
     }