diff --git a/libvirt/manifests/init.pp b/libvirt/manifests/init.pp
index 051e949..eab023f 100644
--- a/libvirt/manifests/init.pp
+++ b/libvirt/manifests/init.pp
@@ -29,11 +29,11 @@ class libvirt::client {
 #
 class libvirt::kvm inherits libvirt::client {
 
-    case operatingsystem {
+    case $operatingsystem {
         centos,fedora: {
             case $operatingsystemrelease {
-                '/5\.[0-9]+/': {
-                    package { "kvm":
+                /5\..*/: {
+                    package { ["kvm", "kmod-kvm"]:
                         ensure  => installed,
                         before  => Service["libvirtd"],
                         require => [ User["qemu"], Group["qemu"] ],
@@ -48,6 +48,9 @@ class libvirt::kvm inherits libvirt::client {
                 }
             }
         }
+        default: {
+            fail("Operating system not supported")
+        }
     }
 
     if !$libvirt_admingroup {