diff --git a/core/services.go b/core/services.go
index 6c78ab36..a4212680 100644
--- a/core/services.go
+++ b/core/services.go
@@ -260,7 +260,7 @@ func (s *Service) Downtime() time.Duration {
 	if len(hits) == 0 {
 		return time.Now().UTC().Sub(fail.CreatedAt.UTC())
 	}
-	since := fail.CreatedAt.UTC().Sub(fail.CreatedAt.UTC())
+	since := fail.CreatedAt.UTC().Sub(hits[0].CreatedAt.UTC())
 	return since
 }