diff --git a/manifests/params.pp b/manifests/params.pp
index 499c037..8a37cd5 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -11,7 +11,7 @@
   $su_cmd       = '/bin/su'
 
   case $::osfamily {
-    Debian: {
+    'Debian': {
       if $::operatingsystem == 'Ubuntu' and versioncmp($::operatingsystemrelease, '11') < 0 {
         $package = 'git-core'
       }else{
@@ -19,15 +19,15 @@
       }
       $grep_cmd =  '/bin/grep'
     }
-    RedHat: {
+    'RedHat': {
       $package = 'git'
       $grep_cmd = '/bin/grep'
     }
-    ArchLinux:{
+    'ArchLinux':{
       $package = 'git'
       $grep_cmd = '/usr/bin/grep'
     }
-    Suse: {
+    'Suse': {
       $package  = ['git', 'git-core']
       $grep_cmd = '/usr/bin/grep'
     }