1 files changed, 2 insertions, 0 deletions
diff --git a/app/src/main/java/it/niedermann/nextcloud/deck/model/Card.java b/app/src/main/java/it/niedermann/nextcloud/deck/model/Card.java
index f07f7ae91..d0ba63f9a 100644
--- a/app/src/main/java/it/niedermann/nextcloud/deck/model/Card.java
+++ b/app/src/main/java/it/niedermann/nextcloud/deck/model/Card.java
@@ -1,5 +1,6 @@
 package it.niedermann.nextcloud.deck.model;
 
+import androidx.annotation.NonNull;
 import androidx.room.Entity;
 import androidx.room.ForeignKey;
 import androidx.room.Ignore;
@@ -45,6 +46,7 @@ public class Card extends AbstractRemoteEntity {
 
     private String title;
     private String description;
+    @NonNull
     private Long stackId;
     private String type;
     private Date createdAt;