diff --git a/REFERENCE.md b/REFERENCE.md
index 3b479fc1..d7832047 100644
--- a/REFERENCE.md
+++ b/REFERENCE.md
@@ -4741,12 +4741,16 @@ Data type: `Variant[Stdlib::HTTPUrl, Pattern[/unix:(?:\/.+)+/]]`
 
 The URI to obtain HAProxy stats from
 
+Default value: `'http://localhost:1234/haproxy?stats;csv'`
+
 ##### <a name="-prometheus--haproxy_exporter--download_extension"></a>`download_extension`
 
 Data type: `String`
 
 Extension for the release binary archive
 
+Default value: `'tar.gz'`
+
 ##### <a name="-prometheus--haproxy_exporter--download_url"></a>`download_url`
 
 Data type: `Optional[Prometheus::Uri]`
@@ -4761,12 +4765,16 @@ Data type: `Prometheus::Uri`
 
 Base URL for the binary archive
 
+Default value: `'https://github.com/prometheus/haproxy_exporter/releases'`
+
 ##### <a name="-prometheus--haproxy_exporter--extra_groups"></a>`extra_groups`
 
 Data type: `Array`
 
 Extra groups to add the binary user to
 
+Default value: `[]`
+
 ##### <a name="-prometheus--haproxy_exporter--extra_options"></a>`extra_options`
 
 Data type: `Optional[String[1]]`
@@ -4781,6 +4789,8 @@ Data type: `String[1]`
 
 Group under which the binary is running
 
+Default value: `'haproxy-exporter'`
+
 ##### <a name="-prometheus--haproxy_exporter--init_style"></a>`init_style`
 
 Data type: `Prometheus::Initstyle`
@@ -4835,12 +4845,16 @@ Data type: `String[1]`
 
 If package, then use this for package ensure default 'latest'
 
+Default value: `'latest'`
+
 ##### <a name="-prometheus--haproxy_exporter--package_name"></a>`package_name`
 
 Data type: `String[1]`
 
 The binary package name - not available yet
 
+Default value: `'haproxy_exporter'`
+
 ##### <a name="-prometheus--haproxy_exporter--purge_config_dir"></a>`purge_config_dir`
 
 Data type: `Boolean`
@@ -4879,12 +4893,16 @@ Data type: `String[1]`
 
 Name of the haproxy exporter service (default 'haproxy_exporter')
 
+Default value: `'haproxy_exporter'`
+
 ##### <a name="-prometheus--haproxy_exporter--user"></a>`user`
 
 Data type: `String[1]`
 
 User which runs the service
 
+Default value: `'haproxy-user'`
+
 ##### <a name="-prometheus--haproxy_exporter--version"></a>`version`
 
 Data type: `String[1]`
diff --git a/data/defaults.yaml b/data/defaults.yaml
index 8fa9f1e2..66a0b4ef 100644
--- a/data/defaults.yaml
+++ b/data/defaults.yaml
@@ -89,15 +89,6 @@ prometheus::mesos_exporter::user: 'mesos-exporter'
 prometheus::mesos_exporter::package_ensure: 'latest'
 prometheus::mesos_exporter::package_name: 'mesos_exporter'
 prometheus::mesos_exporter::service_name: 'mesos_exporter'
-prometheus::haproxy_exporter::cnf_scrape_uri: 'http://localhost:1234/haproxy?stats;csv'
-prometheus::haproxy_exporter::download_extension: 'tar.gz'
-prometheus::haproxy_exporter::download_url_base: 'https://github.com/prometheus/haproxy_exporter/releases'
-prometheus::haproxy_exporter::extra_groups: []
-prometheus::haproxy_exporter::group: 'haproxy-exporter'
-prometheus::haproxy_exporter::package_ensure: 'latest'
-prometheus::haproxy_exporter::package_name: 'haproxy_exporter'
-prometheus::haproxy_exporter::service_name: 'haproxy_exporter'
-prometheus::haproxy_exporter::user: 'haproxy-user'
 prometheus::nginx_vts_exporter::nginx_scrape_uri: 'http://localhost/status/format/json'
 prometheus::nginx_vts_exporter::download_extension: 'tar.gz'
 prometheus::nginx_vts_exporter::download_url_base: 'https://github.com/hnlq715/nginx-vts-exporter/releases'
diff --git a/manifests/haproxy_exporter.pp b/manifests/haproxy_exporter.pp
index 145e1d81..c32ae27b 100644
--- a/manifests/haproxy_exporter.pp
+++ b/manifests/haproxy_exporter.pp
@@ -58,15 +58,15 @@
 # @note
 #    This class is deprecated.
 class prometheus::haproxy_exporter (
-  Variant[Stdlib::HTTPUrl, Pattern[/unix:(?:\/.+)+/]] $cnf_scrape_uri,
-  String $download_extension,
-  Array $extra_groups,
-  String[1] $group,
-  String[1] $package_ensure,
-  String[1] $package_name,
-  String[1] $user,
-  String[1] $service_name,
-  Prometheus::Uri $download_url_base,
+  Variant[Stdlib::HTTPUrl, Pattern[/unix:(?:\/.+)+/]] $cnf_scrape_uri = 'http://localhost:1234/haproxy?stats;csv',
+  String $download_extension = 'tar.gz',
+  Array $extra_groups = [],
+  String[1] $group = 'haproxy-exporter',
+  String[1] $package_ensure = 'latest',
+  String[1] $package_name = 'haproxy_exporter',
+  String[1] $user = 'haproxy-user',
+  String[1] $service_name = 'haproxy_exporter',
+  Prometheus::Uri $download_url_base = 'https://github.com/prometheus/haproxy_exporter/releases',
   # renovate: depName=prometheus/haproxy_exporter
   String[1] $version                                         = '0.15.0',
   Boolean $purge_config_dir                                  = true,