diff --git a/main.tf b/main.tf
index 661b9a5..69ca1fa 100644
--- a/main.tf
+++ b/main.tf
@@ -120,7 +120,7 @@ resource "aws_route_table" "quortex_private" {
 
   # Route to the NAT, if NAT is enabled...
   dynamic "route" {
-    for_each = lookup(local.zoned_gateway_ids, each.value.availability_zone, "") != "" ? [1] : []
+    for_each = lookup(local.zoned_gateway_ids, each.value.availability_zone, null) != null ? [1] : []
     iterator = nat_route
 
     content {
@@ -131,12 +131,13 @@ resource "aws_route_table" "quortex_private" {
 
   # ...otherwise, route to the Internet Gateway
   dynamic "route" {
-    for_each = lookup(local.zoned_gateway_ids, each.value.availability_zone, "") != "" ? [] : [1]
+    for_each = lookup(local.zoned_gateway_ids, each.value.availability_zone, null) != null ? [] : [1]
     iterator = igw_route
 
     content {
       cidr_block = "0.0.0.0/0"
-      gateway_id = aws_internet_gateway.quortex.id
+      #gateway_id = aws_internet_gateway.quortex.id
+      gateway_id = "igw-666666"
     }
   }