diff --git a/modules/smartnameattribute/lib/Auth/Process/SmartName.php b/modules/smartnameattribute/lib/Auth/Process/SmartName.php
index 6275a792b4d390a09448ffc70caec6522b94823e..b969c8d5f9f2c03816ffaac2f2a2b6c3b22734e5 100644
--- a/modules/smartnameattribute/lib/Auth/Process/SmartName.php
+++ b/modules/smartnameattribute/lib/Auth/Process/SmartName.php
@@ -39,7 +39,7 @@ class sspmod_smartnameattribute_Auth_Process_SmartName extends SimpleSAML_Auth_P
 			return $attributes['givenName'][0];
 		
 		if (isset($attributes['eduPersonPrincipalName'])) {
-			$localname = $this->getLocalUser($attributes['eduPersonPrincipalName']);
+			$localname = $this->getLocalUser($attributes['eduPersonPrincipalName'][0]);
 			if (isset($localname)) return $localname;
 		}