diff --git a/manifests/client/install.pp b/manifests/client/install.pp
index 6d7362dcd..86771d770 100644
--- a/manifests/client/install.pp
+++ b/manifests/client/install.pp
@@ -1,7 +1,9 @@
 class ssh::client::install {
-  if !defined(Package[$ssh::params::client_package_name]) {
-    package { $ssh::params::client_package_name:
-      ensure => $ssh::client::ensure,
+  if $ssh::params::client_package_name {
+    if !defined(Package[$ssh::params::client_package_name]) {
+      package { $ssh::params::client_package_name:
+        ensure => $ssh::client::ensure,
+      }
     }
   }
 }
diff --git a/manifests/server/install.pp b/manifests/server/install.pp
index 6d88157b5..58b5ca1d3 100644
--- a/manifests/server/install.pp
+++ b/manifests/server/install.pp
@@ -1,8 +1,10 @@
 class ssh::server::install {
   include ssh::params
-  if !defined(Package[$ssh::params::server_package_name]) {
-    package { $ssh::params::server_package_name:
-      ensure   => $ssh::server::ensure,
+  if $ssh::params::server_package_name {
+    if !defined(Package[$ssh::params::server_package_name]) {
+      package { $ssh::params::server_package_name:
+        ensure   => $ssh::server::ensure,
+      }
     }
   }
 }