diff --git a/Cruise.sql b/Cruise.sql
index de4c234..d6befb7 100644
--- a/Cruise.sql
+++ b/Cruise.sql
@@ -141,8 +141,8 @@ SELECT cruiseName, departurePort, shipName, TO_CHAR(price, '$99,999.99') FROM Cr
 
 -- 3b
 SELECT DISTINCT Cruise.CompanyName, Cruise.cruiseName FROM Cruise
-    JOIN Reservation USING (cruiseID)
-    JOIN Customer USING (customerID)
+    JOIN Reservation ON Cruise.cruiseID = Reservation.cruiseID
+    JOIN Customer ON Reservation.customerID = Customer.customerID
     WHERE Customer.Age > 50 AND Cruise.departurePort = 'Miami'
     ORDER BY Cruise.CompanyName ASC;