diff --git a/lib/facter/architecture.rb b/lib/facter/architecture.rb
index 72c5755..14ec620 100644
--- a/lib/facter/architecture.rb
+++ b/lib/facter/architecture.rb
@@ -31,7 +31,7 @@ Facter.add(:architecture) do
       end
     when "x86_64"
       case Facter.value(:operatingsystem)
-      when "Debian", "Gentoo", "GNU/kFreeBSD", "Ubuntu"
+      when "Debian", "Gentoo", "GNU/kFreeBSD", "Ubuntu", "poky-stx"
         "amd64"
       else
         model
diff --git a/lib/facter/operatingsystem/linux.rb b/lib/facter/operatingsystem/linux.rb
index de7913d..797698a 100644
--- a/lib/facter/operatingsystem/linux.rb
+++ b/lib/facter/operatingsystem/linux.rb
@@ -13,6 +13,8 @@ module Facter
             @operatingsystem ||= "Ubuntu"
           elsif lsbdistid == "LinuxMint"
             @operatingsystem ||= "LinuxMint"
+          elsif lsbdistid == "poky-stx"
+            @operatingsystem ||= "poky-stx"
           else
             @operatingsystem ||= get_operatingsystem_with_release_files
           end
@@ -27,7 +29,7 @@ module Facter
              "CloudLinux", "PSBM", "OracleLinux", "OVS", "OEL", "Amazon",
              "XenServer", "VirtuozzoLinux"
           "RedHat"
-        when "LinuxMint", "Ubuntu", "Debian"
+        when "LinuxMint", "Ubuntu", "Debian", "poky-stx"
           "Debian"
         when "SLES", "SLED", "OpenSuSE", "SuSE"
           "Suse"
@@ -74,6 +76,8 @@ module Facter
           get_ubuntu_release_with_release_file
         when "VMwareESX"
           get_vmwareESX_release_with_release_file
+        when "poky-stx"
+          get_lsbdistrelease
         else
           Facter.value(:kernelrelease)
         end