diff --git a/commons/src/main/java/commons/ws/messages/FavouriteRecipeMessage.java b/commons/src/main/java/commons/ws/messages/FavouriteRecipeMessage.java
index 127eaeb..9594114 100644
--- a/commons/src/main/java/commons/ws/messages/FavouriteRecipeMessage.java
+++ b/commons/src/main/java/commons/ws/messages/FavouriteRecipeMessage.java
@@ -6,9 +6,9 @@ package commons.ws.messages;
  */
 public class FavouriteRecipeMessage implements Message{
 
-    private long recipeId;
+    private Long recipeId;
 
-    public FavouriteRecipeMessage(long recipeId) {
+    public FavouriteRecipeMessage(Long recipeId) {
         this.recipeId = recipeId;
     }