diff --git a/terraform/main.tf b/terraform/main.tf
index 8f17128..064db19 100644
--- a/terraform/main.tf
+++ b/terraform/main.tf
@@ -1,5 +1,5 @@
 module "private_server_group" {
-  source                     = "./modules/private-server-group"
+  source                     = "./modules/private_server_group"
   location                   = var.location
   network_zone               = var.network_zone
   server_count               = var.server_count
diff --git a/terraform/modules/private-server-group/main.tf b/terraform/modules/private_server_group/main.tf
similarity index 100%
rename from terraform/modules/private-server-group/main.tf
rename to terraform/modules/private_server_group/main.tf
diff --git a/terraform/modules/private-server-group/outputs.tf b/terraform/modules/private_server_group/outputs.tf
similarity index 100%
rename from terraform/modules/private-server-group/outputs.tf
rename to terraform/modules/private_server_group/outputs.tf
diff --git a/terraform/modules/private-server-group/variables.tf b/terraform/modules/private_server_group/variables.tf
similarity index 100%
rename from terraform/modules/private-server-group/variables.tf
rename to terraform/modules/private_server_group/variables.tf
diff --git a/terraform/modules/private-server-group/versions.tf b/terraform/modules/private_server_group/versions.tf
similarity index 100%
rename from terraform/modules/private-server-group/versions.tf
rename to terraform/modules/private_server_group/versions.tf