diff --git a/manifests/osfamily/aix.pp b/manifests/osfamily/aix.pp
index b885c1c4..8cf54e6a 100644
--- a/manifests/osfamily/aix.pp
+++ b/manifests/osfamily/aix.pp
@@ -24,9 +24,11 @@
   #     * AIX version 6.1 < aix-7.1-power package
   #     * AIX version 7.1 < aix-7.1-power package
   #     * AIX version 7.2 < aix-7.1-power package
+  #     * AIX version 7.3 < aix-7.1-power package
   #
   # puppet 8:
   #     * AIX version 7.2 < aix-7.2-power package
+  #     * AIX version 7.3 < aix-7.2-power package
   #
   # All other versions will now _only_ use the aix-7.1-power packages (i.e. we now only ship
   # one package to support all aix versions).
@@ -41,6 +43,7 @@
       $aix_ver_number = '7.1'
     } else {
       # 6.19.1 is the last puppet6 release that ships AIX 6.1 packages
+
       $aix_ver_number = versioncmp($puppet_agent::prepare::package_version, '6.19.1') ? {
         1       => '7.1',
         default => '6.1'
@@ -48,14 +51,20 @@
     }
   }
 
+  $aix_class_name = if (versioncmp($pe_server_version, '2021.7.7') < 0) or (versioncmp($pe_server_version, '2023.0') >= 0 and versioncmp($pe_server_version, '2023.6') < 0) {
+    "aix-${aix_ver_number}-power"
+  } else {
+    'aix-power'
+  }
+
   if $puppet_agent::absolute_source {
     $source = $puppet_agent::absolute_source
   } elsif $puppet_agent::alternate_pe_source {
-    $source = "${puppet_agent::alternate_pe_source}/packages/${pe_server_version}/aix-${aix_ver_number}-power/${puppet_agent::package_name}-${puppet_agent::prepare::package_version}-1.aix${aix_ver_number}.ppc.rpm"
+    $source = "${puppet_agent::alternate_pe_source}/packages/${pe_server_version}/${aix_class_name}/${puppet_agent::package_name}-${puppet_agent::prepare::package_version}-1.aix${aix_ver_number}.ppc.rpm"
   } elsif $puppet_agent::source {
-    $source = "${puppet_agent::source}/packages/${pe_server_version}/aix-${aix_ver_number}-power/${puppet_agent::package_name}-${puppet_agent::prepare::package_version}-1.aix${aix_ver_number}.ppc.rpm"
+    $source = "${puppet_agent::source}/packages/${pe_server_version}/${aix_class_name}/${puppet_agent::package_name}-${puppet_agent::prepare::package_version}-1.aix${aix_ver_number}.ppc.rpm"
   } else {
-    $source = "${puppet_agent::aix_source}/${pe_server_version}/aix-${aix_ver_number}-power/${puppet_agent::package_name}-${puppet_agent::prepare::package_version}-1.aix${aix_ver_number}.ppc.rpm"
+    $source = "${puppet_agent::aix_source}/${pe_server_version}/${aix_class_name}/${puppet_agent::package_name}-${puppet_agent::prepare::package_version}-1.aix${aix_ver_number}.ppc.rpm"
   }
 
   class { 'puppet_agent::prepare::package':
diff --git a/spec/classes/puppet_agent_osfamily_aix_spec.rb b/spec/classes/puppet_agent_osfamily_aix_spec.rb
index 14814377..e6a3be8f 100644
--- a/spec/classes/puppet_agent_osfamily_aix_spec.rb
+++ b/spec/classes/puppet_agent_osfamily_aix_spec.rb
@@ -57,6 +57,30 @@
   end
 
   context 'with a user specified source' do
+    let(:facts) do
+      common_facts.merge({
+                           architecture: 'PowerPC_POWER8',
+                           platform_tag: 'aix-6.1-power',
+                         })
+    end
+    let(:params) do
+      {
+        package_version: '6.10.100.1',
+        collection: 'puppet6',
+        source: 'https://fake-pe-master.com',
+      }
+    end
+
+    before(:each) do
+      Puppet::Parser::Functions.newfunction(:pe_build_version, type: :rvalue) { |_args| '2000.0.0' }
+    end
+
+    it {
+      is_expected.to contain_file('/opt/puppetlabs/packages/puppet-agent-6.10.100.1-1.aix6.1.ppc.rpm').with_source('https://fake-pe-master.com/packages/2000.0.0/aix-6.1-power/puppet-agent-6.10.100.1-1.aix6.1.ppc.rpm')
+    }
+  end
+
+  context 'with a user specified source for puppet 7' do
     let(:facts) do
       common_facts.merge({
                            architecture: 'PowerPC_POWER8',
@@ -72,11 +96,35 @@
     end
 
     before(:each) do
-      Puppet::Parser::Functions.newfunction(:pe_build_version, type: :rvalue) { |_args| '2000.0.0' }
+      Puppet::Parser::Functions.newfunction(:pe_build_version, type: :rvalue) { |_args| '2021.7.7' }
+    end
+
+    it {
+      is_expected.to contain_file('/opt/puppetlabs/packages/puppet-agent-7.10.100.1-1.aix7.1.ppc.rpm').with_source('https://fake-pe-master.com/packages/2021.7.7/aix-power/puppet-agent-7.10.100.1-1.aix7.1.ppc.rpm')
+    }
+  end
+
+  context 'with a user specified source for puppet 8' do
+    let(:facts) do
+      common_facts.merge({
+                           architecture: 'PowerPC_POWER8',
+                           platform_tag: 'aix-7.2-power',
+                         })
+    end
+    let(:params) do
+      {
+        package_version: '8.10.100.1',
+        collection: 'puppet8',
+        source: 'https://fake-pe-master.com',
+      }
+    end
+
+    before(:each) do
+      Puppet::Parser::Functions.newfunction(:pe_build_version, type: :rvalue) { |_args| '2023.6.0' }
     end
 
     it {
-      is_expected.to contain_file('/opt/puppetlabs/packages/puppet-agent-7.10.100.1-1.aix7.1.ppc.rpm').with_source('https://fake-pe-master.com/packages/2000.0.0/aix-7.1-power/puppet-agent-7.10.100.1-1.aix7.1.ppc.rpm')
+      is_expected.to contain_file('/opt/puppetlabs/packages/puppet-agent-8.10.100.1-1.aix7.2.ppc.rpm').with_source('https://fake-pe-master.com/packages/2023.6.0/aix-power/puppet-agent-8.10.100.1-1.aix7.2.ppc.rpm')
     }
   end