diff --git a/src/main/java/cactusServer/entities/Instance.java b/src/main/java/cactusServer/entities/Instance.java
index ce51517..5874cce 100644
--- a/src/main/java/cactusServer/entities/Instance.java
+++ b/src/main/java/cactusServer/entities/Instance.java
@@ -140,10 +140,10 @@
 	}
 
 	public HashMap<String, Object> createObject(Position3D position, Velocity3D velocity,
-			AngularVelocity3D angularVelocity, Quaternion3D angle, Attribute attribute, String model) {
+			AngularVelocity3D angularVelocity, Quaternion3D angle, Attribute attribute, int modelID) {
 		String id = RandomStringGenerator.generateUniqueString(Object.UNIQUE_ID_LENGTH,
 				RandomStringGenerator.ALPHA_NUMERIC, objMap.keySet());
-		Object object = new Object(position, velocity, angularVelocity, angle, attribute, model);
+		Object object = new Object(position, velocity, angularVelocity, angle, attribute, modelID);
 		objMap.put(id, object);
 		universe.place(object.getPlaceable());
 		HashMap<String, Object> returnedMap = new HashMap<>();