diff --git a/azure-budget.tf b/azure-budget.tf
index 513f366..6f50bd6 100644
--- a/azure-budget.tf
+++ b/azure-budget.tf
@@ -7,6 +7,9 @@ resource "azurerm_consumption_budget_subscription" "subscription-budget" {
   amount     = 5
   time_grain = "Monthly"
 
+  time_period {
+    start_date = "2022-05-01T00:00:00Z"
+  }
 
   notification {
     enabled        = true