diff --git a/spec/defines/virtualhost_spec.rb b/spec/defines/virtualhost_spec.rb
index 4c7d236..16c730f 100644
--- a/spec/defines/virtualhost_spec.rb
+++ b/spec/defines/virtualhost_spec.rb
@@ -121,6 +121,15 @@
         }
       end
 
+      context 'with nested array and hash custom options' do
+        let(:params) { { custom_options: { external_services: [{ 'type' => 'turns', 'algorithm' => 'turn' }] } } }
+
+        it {
+          is_expected.to contain_file(path_avail). \
+            with_content(%r#^external_services = {\n  {\n    type = "turns";\n    algorithm = "turn";\n  }\n}#)
+        }
+      end
+
       context 'with disco items' do
         let(:params) { { disco_items: %w[foo bar] } }
 
diff --git a/templates/prosody.cfg.erb b/templates/prosody.cfg.erb
index a722e16..8278da6 100644
--- a/templates/prosody.cfg.erb
+++ b/templates/prosody.cfg.erb
@@ -166,7 +166,7 @@ s2s_secure_domains = {
 def print_recursive(object, indentation = 0)
   case object
   when Array
-    '{ "' + object.join('"; "') + '" }'
+    "{\n" + ' ' * (indentation + 2) + object.map {|v| print_recursive(v, indentation + 2)}.join('; ') + "\n" + (' ' * indentation) + '}'
   when Hash
     "{\n" + ' ' * (indentation + 2) + object.map {|k,v| "#{k} = " + print_recursive(v, indentation + 2)}.join(";\n" + ' ' * (indentation + 2)) + ";\n" + (' ' * indentation) + '}'
   when TrueClass, FalseClass
diff --git a/templates/virtualhost.cfg.erb b/templates/virtualhost.cfg.erb
index 1c637f1..2469fce 100644
--- a/templates/virtualhost.cfg.erb
+++ b/templates/virtualhost.cfg.erb
@@ -21,7 +21,7 @@ VirtualHost "<%= @name %>"
 def print_recursive(object, indentation = 0)
   case object
   when Array
-    '{ "' + object.join('"; "') + '" }'
+    "{\n" + ' ' * (indentation + 2) + object.map {|v| print_recursive(v, indentation + 2)}.join('; ') + "\n" + (' ' * indentation) + '}'
   when Hash
     "{\n" + ' ' * (indentation + 2) + object.map {|k,v| "#{k} = " + print_recursive(v, indentation + 2)}.join(";\n" + ' ' * (indentation + 2)) + ";\n" + (' ' * indentation) + '}'
   when TrueClass, FalseClass