diff --git a/.gitignore b/.gitignore
index 3463e99f..d7cfed08 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,6 +31,7 @@ modules-dev/
 *.tfstate
 *.tfstate.lock.info
 *.tfvars
+*.env
 
 .*.swp
 .DS_Store
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
new file mode 100644
index 00000000..5a3c839d
--- /dev/null
+++ b/.vscode/extensions.json
@@ -0,0 +1,7 @@
+{
+    "recommendations": [
+        "davidanson.vscode-markdownlint",
+        "joshbolduc.commitlint",
+        "hashicorp.terraform",
+    ]
+}
diff --git a/.vscode/launch.json b/.vscode/launch.json
index 306dd412..3a41df33 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -2,7 +2,7 @@
     "version": "0.2.0",
     "configurations": [      
         {
-            "name": "Debug provider",
+            "name": "Debug Provider",
             "type": "go",
             "request": "launch",
             "mode": "auto",
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 1022d83c..97eb39e4 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -4,5 +4,6 @@
         "iothread",
         "qcow",
         "virtio"
-    ]
+    ],
+    "go.testEnvFile": "${workspaceFolder}/test.env",
 }
diff --git a/fwprovider/resource_options.go b/fwprovider/resource_options.go
index d49d5c63..2369f1c0 100644
--- a/fwprovider/resource_options.go
+++ b/fwprovider/resource_options.go
@@ -381,6 +381,7 @@ func (r *clusterOptionsResource) Schema(
 			"mac_prefix": schema.StringAttribute{
 				Description: "Prefix for autogenerated MAC addresses.",
 				Optional:    true,
+				Computed:    true,
 			},
 			"description": schema.StringAttribute{
 				Description: "Datacenter description. Shown in the web-interface datacenter notes panel. " +