diff --git a/lib/puppet/provider/package/fluentd-gem.rb b/lib/puppet/provider/package/fluentd-gem.rb
index b1476e2..0e981ac 100644
--- a/lib/puppet/provider/package/fluentd-gem.rb
+++ b/lib/puppet/provider/package/fluentd-gem.rb
@@ -8,6 +8,7 @@ Puppet::Type.type(:package).provide :fluentd_gem, :parent => :gem do
     not a valid URL, it will be interpreted as the path to a local gem file.  If
     source is not present at all, the gem will be installed from the default gem
     repositories."
+  confine :exists => "/opt/td-agent/embedded/bin/gem"
 
   has_feature :versionable, :install_options
 
diff --git a/manifests/config/file.pp b/manifests/config/file.pp
index 3de5abb..97328b4 100644
--- a/manifests/config/file.pp
+++ b/manifests/config/file.pp
@@ -17,8 +17,10 @@ define fluentd::config::file (
 
   # clean up to ensure priority changes take effect
   exec { "apply priority change for ${base_name}":
-    command => "rm ${::fluentd::conf_dir}/*-${base_name}",
-    onlyif  => "ls ${::fluentd::conf_dir}/*-${base_name} | grep -v ${config_name}",
+    path    => '/bin:/usr/bin:/usr/local/bin',
+    cwd     => "${::fluentd::conf_dir}",
+    command => "rm *-${base_name}",
+    onlyif  => "ls *-${base_name} | grep -v ${config_name}",
     before  => File[$config_path],
     notify  => Class['Fluentd::Service'],
   }
diff --git a/manifests/repo/apt.pp b/manifests/repo/apt.pp
index 1224d4e..dd0b136 100644
--- a/manifests/repo/apt.pp
+++ b/manifests/repo/apt.pp
@@ -10,6 +10,10 @@ class fluentd::repo::apt (
     'id'     => 'C901622B5EC4AF820C38AB861093DB45A12E206F',
     'source' => 'http://packages.treasuredata.com/GPG-KEY-td-agent'
   },
+  $include      = {
+    'src' => false,
+    'deb' => true,
+  },
 ) {
 
   include '::apt'
@@ -21,5 +25,6 @@ class fluentd::repo::apt (
     architecture => $architecture,
     repos        => $repos,
     key          => $key,
+    include      => $include,
   }
 }