diff --git a/src/main/java/org/springframework/samples/petclinic/owner/PetController.java b/src/main/java/org/springframework/samples/petclinic/owner/PetController.java
index b665e6cea..7be0d21fb 100644
--- a/src/main/java/org/springframework/samples/petclinic/owner/PetController.java
+++ b/src/main/java/org/springframework/samples/petclinic/owner/PetController.java
@@ -44,6 +44,8 @@ class PetController {
 
 	private static final String VIEWS_PETS_CREATE_OR_UPDATE_FORM = "pets/createOrUpdatePetForm";
 	public String tstvar = null;
+	public String unused = null; //adding an unused variable...
+	
 	
 	private final OwnerRepository owners;