diff --git a/infrastructure/modules/postgresql-flexible/output.tf b/infrastructure/modules/postgresql-flexible/output.tf
index e3b236ad..d4837fb7 100644
--- a/infrastructure/modules/postgresql-flexible/output.tf
+++ b/infrastructure/modules/postgresql-flexible/output.tf
@@ -1,3 +1,3 @@
 output "db_admin_pwd_keyvault_secret" {
-  value = resource.azurerm_key_vault_secret.db_admin_pwd.versionless_id
+  value = resource.azurerm_key_vault_secret.db_admin_pwd[0].versionless_id
 }