diff --git a/azure-region/main.tf b/azure-region/main.tf
index 5f1c6b5..3a27849 100644
--- a/azure-region/main.tf
+++ b/azure-region/main.tf
@@ -308,7 +308,7 @@ data "coder_parameter" "region" {
   name         = "azure_region"
   display_name = var.display_name
   description  = var.description
-  default      = null # var.default == "" ? null : var.default
+  default      = var.default == "" ? null : var.default
   mutable      = var.mutable
   dynamic "option" {
     for_each = { for k, v in local.all_regions : k => v if !(contains(var.exclude, k)) }
@@ -318,6 +318,10 @@ data "coder_parameter" "region" {
       value = option.key
     }
   }
+  validation {
+    regex = "^.+$"
+    error = "Azure region must be selected."
+  }
 }
 
 output "value" {
diff --git a/jetbrains-gateway/main.tf b/jetbrains-gateway/main.tf
index 4eb2063..6d01326 100644
--- a/jetbrains-gateway/main.tf
+++ b/jetbrains-gateway/main.tf
@@ -46,7 +46,7 @@ variable "jetbrains_ides" {
     condition     = length(var.jetbrains_ides) > 0
     error_message = "The jetbrains_ides must not be empty."
   }
-  #ccheck if the list contains duplicates
+  # check if the list contains duplicates
   validation {
     condition     = length(var.jetbrains_ides) == length(toset(var.jetbrains_ides))
     error_message = "The jetbrains_ides must not contain duplicates."