diff --git a/src/card/Card.java b/src/card/Card.java
index 7230dfa..66d50c9 100644
--- a/src/card/Card.java
+++ b/src/card/Card.java
@@ -122,6 +122,7 @@
 	
 	private void fromJson(JSONObject jo){
 		// TODO: handle dummy card
+		cardInfos = new ArrayList<>();
 		int color = jo.getInt("color");
 		int value = jo.getInt("value");
 		int id = jo.getInt("id");