diff --git a/include/lassospkit_helper.inc.php b/include/lassospkit_helper.inc.php
index 5f5647a..06f4831 100644
--- a/include/lassospkit_helper.inc.php
+++ b/include/lassospkit_helper.inc.php
@@ -51,6 +51,7 @@ class LassoSPKitHelper {
       and copy them into array $attributes. */
     static function assertionExtractAttributes($assertion) {
         $attributes = array();
+	if ($assertion->attributeStatement && array_length($assertion->attributeStatement)) {
         foreach ($assertion->attributeStatement[0]->attribute as $attribute) {
             if ($attribute->name == LASSO_SAML2_ATTRIBUTE_NAME_EPR) {
                 continue;
@@ -60,7 +61,8 @@ class LassoSPKitHelper {
                 array_push($arr, $value->any[0]->content);
             }
             $attributes[$attribute->name] = $arr;
-        }
+	}
+	}
         return $attributes;
     }
     /** Return the NameID found in profile->nameIdentifier. If throw is TRUE