diff --git a/src/main/java/com/commafeed/backend/model/FeedPushInfo.java b/src/main/java/com/commafeed/backend/model/FeedPushInfo.java
index 1b32b38b..a4bf7f78 100644
--- a/src/main/java/com/commafeed/backend/model/FeedPushInfo.java
+++ b/src/main/java/com/commafeed/backend/model/FeedPushInfo.java
@@ -13,6 +13,7 @@ import org.hibernate.annotations.Index;
 @SuppressWarnings("serial")
 public class FeedPushInfo extends AbstractModel {
 
+	@Column(unique = true)
 	@OneToOne(fetch = FetchType.LAZY)
 	private Feed feed;