diff --git a/commafeed-server/src/main/java/com/commafeed/frontend/resource/fever/FeverResponse.java b/commafeed-server/src/main/java/com/commafeed/frontend/resource/fever/FeverResponse.java
index 96e00ad7..204ced5e 100644
--- a/commafeed-server/src/main/java/com/commafeed/frontend/resource/fever/FeverResponse.java
+++ b/commafeed-server/src/main/java/com/commafeed/frontend/resource/fever/FeverResponse.java
@@ -33,7 +33,7 @@ public class FeverResponse {
 	private boolean auth;
 
 	@JsonProperty("last_refreshed_on_time")
-	private long lastRefreshedOnTime;
+	private Long lastRefreshedOnTime;
 
 	@JsonProperty("groups")
 	private List<FeverGroup> groups;