diff --git a/manifests/init.pp b/manifests/init.pp
index 04f0df1..0f66ca4 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -2,9 +2,13 @@
 # init.pp
 #
 
-class plnxtools{
+class plnxtools(
+	$opt_dir = $plnxtools::params::opt_dir
+)
+inherits plnxtools::params{
+
 	file {"opt_dir":
-		path => "/opt",
+		path => $opt_dir,
 		ensure => directory
 	}
 
diff --git a/manifests/params.pp b/manifests/params.pp
index 61b3dd2..6509da8 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -1,3 +1,4 @@
 
-class planix::params{
+class plnxtools::params{
+	$opt_dir = "/opt" 
 }