diff --git a/pkg/services/login/model.go b/pkg/services/login/model.go
index b310eeb51a5..a69b7d9fcba 100644
--- a/pkg/services/login/model.go
+++ b/pkg/services/login/model.go
@@ -14,7 +14,7 @@ type LoginStats struct {
 
 const (
 	ExporterName              = "grafana"
-	MetricsCollectionInterval = time.Second * 60 * 4 // every 4 hours, indication of duplicate users
+	MetricsCollectionInterval = time.Hour * 4 // every 4 hours, indication of duplicate users
 )
 
 var (