diff --git a/Library/Homebrew/extend/os/linux/hardware/cpu.rb b/Library/Homebrew/extend/os/linux/hardware/cpu.rb
index c23a06e824..b5c81ee078 100644
--- a/Library/Homebrew/extend/os/linux/hardware/cpu.rb
+++ b/Library/Homebrew/extend/os/linux/hardware/cpu.rb
@@ -98,7 +98,7 @@ module Hardware
         when 0x11
           :amd_k8_k10_hybrid
         when 0x12
-          :amd_k12
+          :amd_k10_llano
         when 0x14
           :bobcat
         when 0x15
diff --git a/Library/Homebrew/test/hardware/cpu_spec.rb b/Library/Homebrew/test/hardware/cpu_spec.rb
index 465d09ea53..6bf63294d2 100644
--- a/Library/Homebrew/test/hardware/cpu_spec.rb
+++ b/Library/Homebrew/test/hardware/cpu_spec.rb
@@ -26,7 +26,7 @@ RSpec.describe Hardware::CPU do
         :amd_k8,
         :amd_k8_k10_hybrid,
         :amd_k10,
-        :amd_k12,
+        :amd_k10_llano,
         :arm,
         :arm_blizzard_avalanche,
         :arm_brava,