diff --git a/modules/alloydb/main.tf b/modules/alloydb/main.tf
index 892b9ec6c..90e7cf89e 100644
--- a/modules/alloydb/main.tf
+++ b/modules/alloydb/main.tf
@@ -313,11 +313,14 @@ resource "google_alloydb_cluster" "secondary" {
 
       weekly_schedule {
         days_of_week = var.automated_backup_configuration.weekly_schedule.days_of_week
-        start_times {
-          hours   = var.automated_backup_configuration.weekly_schedule.start_times.hours
-          minutes = 0
-          seconds = 0
-          nanos   = 0
+        dynamic "start_times" {
+          for_each = var.automated_backup_configuration.weekly_schedule.start_times
+          content {
+            hours   = start_times.value.hours
+            minutes = 0
+            seconds = 0
+            nanos   = 0
+          }
         }
       }