diff --git a/storage/store/memory/memory.go b/storage/store/memory/memory.go
index 155534b2..fd6d1c1e 100644
--- a/storage/store/memory/memory.go
+++ b/storage/store/memory/memory.go
@@ -13,6 +13,7 @@ import (
 
 func init() {
 	gob.Register(&core.ServiceStatus{})
+	gob.Register(&core.HourlyUptimeStatistics{})
 	gob.Register(&core.Uptime{})
 	gob.Register(&core.Result{})
 	gob.Register(&core.Event{})