diff --git a/Unity/Thing.cs b/Unity/Thing.cs
index ebacc63..c1597ab 100644
--- a/Unity/Thing.cs
+++ b/Unity/Thing.cs
@@ -128,7 +128,7 @@ namespace RoboidControl.Unity {
                     this.gameObject.name = core.name;
                     break;
                 case ModelUrlMsg.Id:
-                    Debug.Log("{this.id} Handle Model URL");
+                    Debug.Log($"{this.core.id} Handle Model URL");
                     string extension = core.modelUrl[core.modelUrl.LastIndexOf(".")..];
                     if (extension == ".jpg" || extension == ".png")
                         StartCoroutine(LoadJPG());