diff --git a/proxmoxtf/provider/provider_test.go b/proxmoxtf/provider/provider_test.go
index eb04f6ec..cf897d64 100644
--- a/proxmoxtf/provider/provider_test.go
+++ b/proxmoxtf/provider/provider_test.go
@@ -58,6 +58,7 @@ func TestProviderSchema(t *testing.T) {
 		mkProviderOTP,
 		mkProviderPassword,
 		mkProviderUsername,
+		mkProviderSSH,
 	})
 
 	test.AssertValueTypes(t, veSchema, map[string]schema.ValueType{
@@ -66,5 +67,11 @@ func TestProviderSchema(t *testing.T) {
 		mkProviderOTP:      schema.TypeString,
 		mkProviderPassword: schema.TypeString,
 		mkProviderUsername: schema.TypeString,
+		mkProviderSSH:      schema.TypeList,
 	})
+
+	providerSSHSchema := test.AssertNestedSchemaExistence(t, s, mkProviderSSH)
+
+	// do not limit number of nodes in the cluster
+	test.AssertListMaxItems(t, providerSSHSchema, mkProviderSSHNode, 0)
 }
diff --git a/proxmoxtf/provider/schema.go b/proxmoxtf/provider/schema.go
index 482dca60..0e19e75a 100644
--- a/proxmoxtf/provider/schema.go
+++ b/proxmoxtf/provider/schema.go
@@ -197,7 +197,6 @@ func nestedProviderSchema() map[string]*schema.Schema {
 						Type:        schema.TypeList,
 						Optional:    true,
 						MinItems:    0,
-						MaxItems:    1,
 						Description: "Overrides for SSH connection configuration to a Proxmox node",
 						Elem: &schema.Resource{
 							Schema: map[string]*schema.Schema{
diff --git a/proxmoxtf/test/test_utils.go b/proxmoxtf/test/test_utils.go
index 81de76e0..9d1b2961 100644
--- a/proxmoxtf/test/test_utils.go
+++ b/proxmoxtf/test/test_utils.go
@@ -39,6 +39,16 @@ func AssertNestedSchemaExistence(t *testing.T, s *schema.Resource, key string) *
 	return sh
 }
 
+// AssertListMaxItems checks that the given schema attribute has given expected MaxItems value.
+func AssertListMaxItems(t *testing.T, s *schema.Resource, key string, expectedMaxItems int) {
+	t.Helper()
+
+	require.NotNil(t, s.Schema[key], "Error in Schema: Missing definition for \"%s\"", key)
+	assert.Equal(t, s.Schema[key].MaxItems, expectedMaxItems,
+		"Error in Schema: Argument \"%s\" has \"MaxItems: %#v\", but value %#v is expected!",
+		key, s.Schema[key].MaxItems, expectedMaxItems)
+}
+
 // AssertOptionalArguments checks that the given schema has the given optional arguments.
 func AssertOptionalArguments(t *testing.T, s *schema.Resource, keys []string) {
 	t.Helper()