diff --git a/manifests/resource/location.pp b/manifests/resource/location.pp
index d44d1978a..dfda26115 100644
--- a/manifests/resource/location.pp
+++ b/manifests/resource/location.pp
@@ -159,7 +159,7 @@
   String $server                                      = undef,
   Optional[String] $www_root                          = undef,
   Optional[String] $autoindex                         = undef,
-  Optional[Array] $index_files                        = [
+  Array $index_files                                  = [
     'index.html',
     'index.htm',
     'index.php'],
diff --git a/manifests/resource/server.pp b/manifests/resource/server.pp
index 01ed164c9..a97db3f46 100644
--- a/manifests/resource/server.pp
+++ b/manifests/resource/server.pp
@@ -200,7 +200,7 @@
   Optional[String] $uwsgi                                                        = undef,
   Optional[String] $uwsgi_params                                                 = "${nginx::config::conf_dir}/uwsgi_params",
   Optional[String] $uwsgi_read_timeout                                           = undef,
-  Optional[Array] $index_files                                                   = [
+  Array $index_files                                                             = [
     'index.html',
     'index.htm',
     'index.php'],