diff --git a/modules/azure-virtual-network-gateway/main.tf b/modules/azure-virtual-network-gateway/main.tf
index d1e4728..a773071 100644
--- a/modules/azure-virtual-network-gateway/main.tf
+++ b/modules/azure-virtual-network-gateway/main.tf
@@ -41,7 +41,7 @@ resource "azurerm_virtual_network_gateway" "gateway" {
   }
 
   dynamic "bgp_settings" {
-    for_each = var.enable_bgp == true ? [1] : [0]
+    for_each = var.enable_bgp == true ? [1] : []
 
     content {
       asn             = var.bgp_asn
@@ -58,7 +58,7 @@ resource "azurerm_virtual_network_gateway" "gateway" {
       vpn_client_protocols = var.vpn_client_protocols
 
       dynamic "root_certificate" {
-        for_each = var.vpn_root_certificate_name != null ? [1] : [0]
+        for_each = var.vpn_root_certificate_name != null ? [1] : []
 
         content {
           name             = var.vpn_root_certificate_name