diff --git a/src/main/java/org/model/Car.java b/src/main/java/org/model/Car.java
index bbc6d51..8c93b47 100644
--- a/src/main/java/org/model/Car.java
+++ b/src/main/java/org/model/Car.java
@@ -37,7 +37,7 @@ public abstract class Car extends Vehicle implements Serviceable {
     // TODO: Override showDetails()
     // Print brand, model, year, mileage, and number of seats
 
-    public Boolean needService(Vehicle v) {
+    public boolean needService(Vehicle v) {
         return v.getMileage() > 10000;
     }
     /*