diff --git a/cmd/aggregate/main.go b/cmd/aggregate/main.go
index d783f751..25e6ddd2 100644
--- a/cmd/aggregate/main.go
+++ b/cmd/aggregate/main.go
@@ -176,6 +176,7 @@ func aggregateUserMovement(db *sql.DB) (int64, error) {
 	firstSeen := make(map[string]time.Time)
 	lastSeen := make(map[string]time.Time)
 	var minTs time.Time
+	minTs = minTs.In(time.UTC)
 
 	for rows.Next() {
 		var ts time.Time