diff --git a/main_linux_custom.tf b/main_linux_custom.tf
index cf27595..30eae92 100644
--- a/main_linux_custom.tf
+++ b/main_linux_custom.tf
@@ -15,7 +15,7 @@ limitations under the License.
 */
 
 # Linux Virtual Machine
-resource "azurerm_virtual_machine" "this" {
+resource "azurerm_virtual_machine" "this-custom" {
   count = var.os_type == "linux-custom-image" ? 1 : 0
 
   name                         = var.name
diff --git a/main_windows_custom.tf b/main_windows_custom.tf
index 97134a0..5f04818 100644
--- a/main_windows_custom.tf
+++ b/main_windows_custom.tf
@@ -15,7 +15,7 @@ limitations under the License.
 */
 
 # Windows Virtual Machine
-resource "azurerm_virtual_machine" "this-w" {
+resource "azurerm_virtual_machine" "this-w-custom" {
   count = var.os_type == "windows-custom-image" ? 1 : 0
 
   name                         = var.name