diff --git a/global/overlay/etc/puppet/modules/soc/manifests/satosa.pp b/global/overlay/etc/puppet/modules/soc/manifests/satosa.pp
index bb78a75..82e0f70 100644
--- a/global/overlay/etc/puppet/modules/soc/manifests/satosa.pp
+++ b/global/overlay/etc/puppet/modules/soc/manifests/satosa.pp
@@ -15,13 +15,13 @@ class soc::satosa(
   $certvol  = undef
 
   if ( $certprovider == 'dehydrated' ) {
-    $certfile = '/etc/dehydrated/certs/${certname}/fullchain.pem'
-    $certkey  = '/etc/dehydrated/certs/${certname}.key'
-    $certvol  = '/etc/dehydrated'
+    $certfile = "/etc/dehydrated/certs/${certname}/fullchain.pem"
+    $certkey  = "/etc/dehydrated/certs/${certname}.key"
+    $certvol  = "/etc/dehydrated"
   } elif ( $certprovider == 'certbot' ) {
-    $certfile = '/etc/letsencrypt/live/${certname}/fullchain.pem'
-    $certkey  = '/etc/letsencrypt/live/${certname}/privkey.pem'
-    $certvol  = '/etc/letsencrypt'
+    $certfile = "/etc/letsencrypt/live/${certname}/fullchain.pem"
+    $certkey  = "/etc/letsencrypt/live/${certname}/privkey.pem"
+    $certvol  = "/etc/letsencrypt"
   }
 
   if ($::facts['sunet_satosa_exists'] == 'yes') {