diff --git a/manifests/params.pp b/manifests/params.pp
index 19d41dc..751b2eb 100644
--- a/manifests/params.pp
+++ b/manifests/params.pp
@@ -10,6 +10,12 @@ class consul_template::params {
   $package_ensure    = 'latest'
   $version = '0.6.0'
 
+  case $::architecture {
+    'x86_64', 'amd64': { $arch = 'amd64' }
+    'i386':            { $arch = '386'   }
+    default:           { fail("Unsupported kernel architecture: ${::architecture}") }
+  }
+
   $os = downcase($::kernel)
 
   $init_style = $::operatingsystem ? {
diff --git a/spec/classes/example_spec.rb b/spec/classes/example_spec.rb
index db653b3..85fd692 100644
--- a/spec/classes/example_spec.rb
+++ b/spec/classes/example_spec.rb
@@ -8,7 +8,8 @@ describe 'consul_template' do
         let(:facts) {{
           :osfamily       => osfamily,
           :concat_basedir => '/foo',
-          :path           => '/bin:/sbin:/usr/bin:/usr/sbin'
+          :path           => '/bin:/sbin:/usr/bin:/usr/sbin',
+          :architecture   => 'x86_64'
         }}
 
         it { is_expected.to compile.with_all_deps }