diff --git a/lib/puppet/type/mysql_grant.rb b/lib/puppet/type/mysql_grant.rb
index b66dbd4..e6fb75d 100644
--- a/lib/puppet/type/mysql_grant.rb
+++ b/lib/puppet/type/mysql_grant.rb
@@ -3,9 +3,7 @@ Puppet::Type.newtype(:mysql_grant) do
   @doc = "Manage a MySQL user's rights."
   ensurable
 
-  autorequire(:file) do
-    '/root/.my.cnf'
-  end
+  autorequire(:file) { '/root/.my.cnf' }
 
   def initialize(*args)
     super
@@ -38,6 +36,10 @@ Puppet::Type.newtype(:mysql_grant) do
 
   newproperty(:privileges, :array_matching => :all) do
     desc 'Privileges for user'
+
+    munge do |value|
+      value.upcase
+    end
   end
 
   newproperty(:table) do
diff --git a/spec/system/types/mysql_grant_spec.rb b/spec/system/types/mysql_grant_spec.rb
index ffde940..a3bdf82 100644
--- a/spec/system/types/mysql_grant_spec.rb
+++ b/spec/system/types/mysql_grant_spec.rb
@@ -283,5 +283,32 @@ describe 'mysql_grant' do
     end
   end
 
+  describe 'lower case privileges' do
+    it 'create ALL privs' do
+      pp = <<-EOS
+      mysql_grant { 'lowercase@localhost/*.*':
+          user       => 'lowercase@localhost',
+          privileges => 'ALL',
+          table      => '*.*',
+      }
+      EOS
+
+      puppet_apply(pp)
+    end
+
+    it 'create lowercase all privs' do
+      pp = <<-EOS
+      mysql_grant { 'lowercase@localhost/*.*':
+          user       => 'lowercase@localhost',
+          privileges => 'all',
+          table      => '*.*',
+      }
+      EOS
+
+      puppet_apply(pp) do |r|
+        r.exit_code.should be_zero
+      end
+    end
+  end
 
 end