diff --git a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/models/Instance.java b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/models/Instance.java
index 564e380..61f62a1 100644
--- a/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/models/Instance.java
+++ b/app/src/main/java/org/ntlab/radishforandroidstudio/cactusClient/models/Instance.java
@@ -118,10 +118,10 @@
     }
 
     public HashMap<String, Object> createObject(Position3D position, Velocity3D velocity,
-                                                AngularVelocity3D angularVelocity, Quaternion3D angle, Object.Attribute attribute, String model) {
+                                                AngularVelocity3D angularVelocity, Quaternion3D angle, Object.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<>();