diff --git a/lib/SAML2/XML/md/EntitiesDescriptor.php b/lib/SAML2/XML/md/EntitiesDescriptor.php
index 4bf2b2d44f2f66733ba672fd571417f5b6a216fa..c0e91345f691a7b43587cd1c9bd3722c762bd644 100644
--- a/lib/SAML2/XML/md/EntitiesDescriptor.php
+++ b/lib/SAML2/XML/md/EntitiesDescriptor.php
@@ -104,6 +104,7 @@ class SAML2_XML_md_EntitiesDescriptor extends SAML2_SignedElementHelper {
 		assert('is_null($this->ID) || is_string($this->ID)');
 		assert('is_null($this->validUntil) || is_int($this->validUntil)');
 		assert('is_null($this->cacheDuration) || is_string($this->cacheDuration)');
+		assert('is_null($this->Name) || is_string($this->Name)');
 		assert('is_array($this->Extensions)');
 		assert('is_array($this->children)');