diff --git a/lam/lib/baseModule.inc b/lam/lib/baseModule.inc
index d711abdc9..ef1ccf5af 100644
--- a/lam/lib/baseModule.inc
+++ b/lam/lib/baseModule.inc
@@ -1013,7 +1013,7 @@ abstract class baseModule {
 	 * @param array $rawAccounts the user input data, contains one subarray for each account.
 	 * @param array $ids list of IDs for column position (e.g. "posixAccount_uid" => 5)
 	 * @param array $partialAccounts list of hash arrays (name => value) which are later added to LDAP
-	 * @param String $position current position in CSV
+	 * @param int $position current position in CSV
 	 * @param String $colName column name
 	 * @param String $attrName LDAP attribute name
 	 * @param String|String[] $regex for get_preg() (e.g. 'ascii')
diff --git a/lam/lib/modules/yubiKeyUser.inc b/lam/lib/modules/yubiKeyUser.inc
index f2cd16fee..1e64d361e 100644
--- a/lam/lib/modules/yubiKeyUser.inc
+++ b/lam/lib/modules/yubiKeyUser.inc
@@ -242,7 +242,7 @@ class yubiKeyUser extends baseModule {
 			}
 			// add keys
 			$message = $this->messages['yubiKeyId'][1];
-			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, (string) $i, 'yubiKeyUser_yubiKeyId', $attributeName, 'ascii', $message, $messages, '/,[ ]*/');
+			$this->mapSimpleUploadField($rawAccounts, $ids, $partialAccounts, $i, 'yubiKeyUser_yubiKeyId', $attributeName, 'ascii', $message, $messages, '/,[ ]*/');
 		}
 		return $messages;
 	}