diff --git a/eventbridge_primary.tf b/eventbridge_primary.tf
index b5f8414..31e4578 100644
--- a/eventbridge_primary.tf
+++ b/eventbridge_primary.tf
@@ -14,7 +14,7 @@ resource "aws_cloudwatch_event_bus" "primary_bus" {
 resource "aws_cloudwatch_event_rule" "ec2_state_change_primary_rule" {
   name           = var.ec2_state_change_rule_name
   event_bus_name = aws_cloudwatch_event_bus.primary_bus.name
-  event_pattern  = jsonencode({
+  event_pattern = jsonencode({
     "source" : local.event_source,
     "detail-type" : local.event_detail_type,
     "detail" : {