MYSQL Syntax Error

Hi

I get an "unexpected END_OF_INPUT, expected IF" error on the following MYSQL statement , can anyone help please

delimiter //

CREATE PROCEDURE UPDuserdaily (IN P_UserID INT,IN P_UserDate DATETIME)
BEGIN
      IF NOT EXISTS (SELECT 1 FROM tbuserdaily WHERE UserID=P_UserID AND Date=P_UserDate) THEN
            INSERT tbuserdaily(UserID,Date) VALUES (P_UserID,P_UserDate);
      
      UPDATE tbuserdaily
      SET Distance = (SELECT SUM(Distance) FROM tbjourney
                              WHERE UserID=P_UserID AND JourneyDateDate=P_UserDate)
      WHERE UserID=P_UserID AND Date=P_UserDate;

END//

DELIMITER ;