diff --git a/src/main/java/de/vivistra/telegrambot/model/GroupChat.java b/src/main/java/de/vivistra/telegrambot/model/GroupChat.java
index bdd9e69..6267fa0 100644
--- a/src/main/java/de/vivistra/telegrambot/model/GroupChat.java
+++ b/src/main/java/de/vivistra/telegrambot/model/GroupChat.java
@@ -50,7 +50,7 @@ public static GroupChat fromJSON(JSONObject chatObject) {
 	 * 
 	 * @return
 	 */
-	public long getId() {
+	public Long getId() {
 		return id;
 	}