diff --git a/README.md b/README.md
index 5698eba..d64b94e 100644
--- a/README.md
+++ b/README.md
@@ -48,3 +48,10 @@ class { 'elastic_stack::repo':
   base_repo_url => 'https://mymirror.example.org/elastic-artifacts/packages',
 }
 ```
+
+To use only specific architecture of the repo, set `architecture`, eg.:
+``` puppet
+class { 'elastic_stack::repo':
+  architecture => 'amd64',
+}
+```
diff --git a/manifests/repo.pp b/manifests/repo.pp
index 774291c..b18f5bf 100644
--- a/manifests/repo.pp
+++ b/manifests/repo.pp
@@ -11,6 +11,7 @@
 # @param proxy The URL of a HTTP proxy to use for package downloads (YUM only)
 # @param version The (major) version of the Elastic Stack for which to configure the repo
 # @param base_repo_url The base url for the repo path
+# @param architecure The architecture to be used by apt::source
 class elastic_stack::repo (
   Boolean           $oss           = false,
   Boolean           $prerelease    = false,
@@ -18,6 +19,7 @@
   String            $proxy         = 'absent',
   Integer           $version       = 7,
   Optional[String]  $base_repo_url = undef,
+  Optional[String]  $architecture  = undef,
 ) {
   if $prerelease {
     $version_suffix = '.x-prerelease'
@@ -69,20 +71,21 @@
       include apt
 
       apt::source { 'elastic':
-        ensure   => 'present',
-        comment  => $description,
-        location => $base_url,
-        release  => 'stable',
-        repos    => 'main',
-        key      => {
+        ensure       => 'present',
+        comment      => $description,
+        location     => $base_url,
+        architecture => $architecture,
+        release      => 'stable',
+        repos        => 'main',
+        key          => {
           'id'     => $key_id,
           'source' => $key_source,
         },
-        include  => {
+        include      => {
           'deb' => true,
           'src' => false,
         },
-        pin      => $priority,
+        pin          => $priority,
       }
     }
     'RedHat', 'Linux': {
diff --git a/spec/classes/repo_spec.rb b/spec/classes/repo_spec.rb
index 409c4fd..bd61e51 100644
--- a/spec/classes/repo_spec.rb
+++ b/spec/classes/repo_spec.rb
@@ -148,6 +148,15 @@ def declare_zypper(version: '7.x', **params)
         end
       end
 
+      context 'with architecture parameter' do
+        let(:params) { default_params.merge(architecture: 'amd64') }
+
+        case facts[:os]['family']
+        when 'Debian'
+          it { is_expected.to declare_apt(architecture: 'amd64') }
+        end
+      end
+
       context 'with proxy parameter' do
         let(:params) { default_params.merge(proxy: 'http://proxy.com:8080') }