diff --git a/nagios/manifests/init.pp b/nagios/manifests/init.pp
index 850c7f3..1288f1e 100644
--- a/nagios/manifests/init.pp
+++ b/nagios/manifests/init.pp
@@ -33,6 +33,10 @@ class nagios::common {
             $cgibin = "/usr/lib/cgi-bin/nagios3"
             $htdocs = "/usr/share/nagios3/htdocs"
         }
+        "openbsd": {
+            # no params set as we don't support server on openbsd yet
+            $libdir = "/usr/local/libexec/nagios"
+        }
         default: {
             fail("Nagios not supported on ${::operatingsystem}")
         }
@@ -67,6 +71,9 @@ class nagios::server::manual inherits nagios::common {
                 target => "/etc/nagios3/stylesheets",
             }
         }
+        default: {
+            fail("nagios::server not supported in ${::operatingsystem}")
+        }
     }
 
     exec { "usermod-nagios-httpsd":
diff --git a/nagios/manifests/target.pp b/nagios/manifests/target.pp
index b000fec..77cfe97 100644
--- a/nagios/manifests/target.pp
+++ b/nagios/manifests/target.pp
@@ -115,13 +115,32 @@ class nagios::target::nrpe inherits nagios::target {
                 before => [ File["/etc/nrpe.d"], Service["nrpe"] ],
             }
         }
+        "openbsd": {
+            $service = "nrpe"
+            $nrpedir = "/etc/nrpe.d"
+            package { "nrpe":
+                ensure => installed,
+            }
+            exec { "add-nrpe-include-dir":
+                command => "echo 'include_dir=${nrpedir}/' >> /etc/nrpe.cfg",
+                path    => "/bin:/usr/bin:/sbin:/usr/sbin",
+                user    => "root",
+                unless  => "egrep '^include_dir=/etc/${nrpedir}/' /etc/nrpe.cfg",
+                require => Package["nrpe"],
+                notify  => Service[$service],
+                before  => File[$nrpedir],
+            }
+        }
     }
 
     file { "/etc/nrpe.d":
         ensure  => directory,
         mode    => "0644",
         owner   => "root",
-        group   => "root",
+        group   => $::operatingsystem ? {
+            "openbsd" => "wheel",
+            default   => "root",
+        },
         purge   => true,
         force   => true,
         recurse => true,
@@ -138,7 +157,10 @@ class nagios::target::nrpe inherits nagios::target {
         ensure  => present,
         mode    => "0644",
         owner   => "root",
-        group   => "root",
+        group   => $::operatingsystem ? {
+            "openbsd" => "wheel",
+            default   => "root",
+        },
         content => "allowed_hosts=${nagios_allow}\n",
         require => File["/etc/nrpe.d"],
         notify  => Service["nrpe"],
@@ -148,7 +170,10 @@ class nagios::target::nrpe inherits nagios::target {
         ensure  => present,
         mode    => "0644",
         owner   => "root",
-        group   => "root",
+        group   => $::operatingsystem ? {
+            "openbsd" => "wheel",
+            default   => "root",
+        },
         content => "command[check_disk]=${nagios::common::libdir}/check_disk -w 20% -c 10% -p /\n",
         require => File["/etc/nrpe.d"],
         notify  => Service["nrpe"],
@@ -162,7 +187,10 @@ class nagios::target::nrpe inherits nagios::target {
         ensure  => present,
         mode    => "0644",
         owner   => "root",
-        group   => "root",
+        group   => $::operatingsystem ? {
+            "openbsd" => "wheel",
+            default   => "root",
+        },
         content => "command[check_load]=${nagios::common::libdir}/check_load -r -w 3,2,1 -c 6,4,2\n",
         require => File["/etc/nrpe.d"],
         notify  => Service["nrpe"],
@@ -176,7 +204,10 @@ class nagios::target::nrpe inherits nagios::target {
         ensure  => present,
         mode    => "0644",
         owner   => "root",
-        group   => "root",
+        group   => $::operatingsystem ? {
+            "openbsd" => "wheel",
+            default   => "root",
+        },
         content => "command[check_swap]=${nagios::common::libdir}/check_swap -w 75% -c 50%\n",
         require => File["/etc/nrpe.d"],
         notify  => Service["nrpe"],