diff --git a/manifests/init.pp b/manifests/init.pp
index f0e3b6d..70a1945 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -6,6 +6,8 @@
     owner  => 'root',
     group  => 'root',
     mode   => '0755',
+    recurse   => true,
+    purge     => true,
   }
 
   Sysctl::Setting <| |>
diff --git a/manifests/setting.pp b/manifests/setting.pp
index 39bd480..da37495 100644
--- a/manifests/setting.pp
+++ b/manifests/setting.pp
@@ -8,7 +8,7 @@
 ) {
   include sysctl
 
-  file { "/etc/sysctl.d/${key}":
+  file { "/etc/sysctl.d/${key}.conf":
     ensure  => file,
     content => "${key}=${value}",
   }