diff --git a/Library/Homebrew/extend/os/mac/diagnostic.rb b/Library/Homebrew/extend/os/mac/diagnostic.rb
index e3082cea16..311b68167e 100644
--- a/Library/Homebrew/extend/os/mac/diagnostic.rb
+++ b/Library/Homebrew/extend/os/mac/diagnostic.rb
@@ -145,11 +145,13 @@ module OS
             return
           end
 
+          oclp_support_tier = Hardware::CPU.features.include?(:pclmulqdq) ? 2 : 3
+
           <<~EOS
             You have booted macOS using OpenCore Legacy Patcher.
             We do not provide support for this configuration.
 
-            #{support_tier_message(tier: 2)}
+            #{support_tier_message(tier: oclp_support_tier)}
           EOS
         end
 
diff --git a/Library/Homebrew/extend/os/mac/hardware/cpu.rb b/Library/Homebrew/extend/os/mac/hardware/cpu.rb
index 05116e8d84..43973e4db0 100644
--- a/Library/Homebrew/extend/os/mac/hardware/cpu.rb
+++ b/Library/Homebrew/extend/os/mac/hardware/cpu.rb
@@ -40,7 +40,7 @@ module OS
           ::Hardware::CPU.sysctl_bool("sysctl.proc_translated")
         end
 
-        def features
+        def self.features
           @features ||= ::Hardware::CPU.sysctl_n(
             "machdep.cpu.features",
             "machdep.cpu.extfeatures",