diff --git a/tidb-cloud/set-up-vpc-peering-connections.md b/tidb-cloud/set-up-vpc-peering-connections.md
index 34b2eebd2a09c..d7e049becc036 100644
--- a/tidb-cloud/set-up-vpc-peering-connections.md
+++ b/tidb-cloud/set-up-vpc-peering-connections.md
@@ -145,7 +145,7 @@ Use either of the following two options to approve and configure the VPC peering
     aws ec2 describe-route-tables --region "$app_region" --filters Name=vpc-id,Values="$app_vpc_id" --query 'RouteTables[*].RouteTableId' --output text | tr "\t" "\n" | while read row
     do
         app_route_table_id="$row"
-        aws ec2 create-route --route-table-id "$app_route_table_id" --destination-cidr-block "$tidbcloud_project_cidr" --vpc-peering-connection-id "$pcx_tidb_to_app_id"
+        aws ec2 create-route --region "$app_region" --route-table-id "$app_route_table_id" --destination-cidr-block "$tidbcloud_project_cidr" --vpc-peering-connection-id "$pcx_tidb_to_app_id"
     done
     ```