diff --git a/docs/index.md b/docs/index.md
index 510a6792..ff98dc18 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -209,6 +209,6 @@ Proxmox `provider` block:
   - `node` - (Optional) The node configuration for the SSH connection. Can be
       specified multiple times to provide configuration fo multiple nodes.
     - `name` - (Required) The name of the node.
-    - `address` - (Required) The IP address of the node.
+    - `address` - (Required) The FQDN/IP address of the node.
     - `port` - (Optional) SSH port of the node. Defaults to 22.
 - `tmp_dir` - (Optional) Use custom temporary directory. (can also be sourced from `PROXMOX_VE_TMPDIR`)
diff --git a/proxmoxtf/provider/schema.go b/proxmoxtf/provider/schema.go
index 5dc0b790..644ab34a 100644
--- a/proxmoxtf/provider/schema.go
+++ b/proxmoxtf/provider/schema.go
@@ -155,7 +155,7 @@ func createSchema() map[string]*schema.Schema {
 									Type:         schema.TypeString,
 									Required:     true,
 									Description:  "The address of the Proxmox VE node.",
-									ValidateFunc: validation.IsIPAddress,
+									ValidateFunc: validation.StringIsNotEmpty,
 								},
 								mkProviderSSHNodePort: {
 									Type:         schema.TypeInt,